We share news and information about our operations and science in bi-weekly webinars every other Wednesday at 1 pm ET (except where noted).
We link the recordings of past talks below. We provide the talk abstracts and description of the presenters in the description of each recording on Youtube. (To read abstracts, be sure to click “Watch on YouTube” on the modal popup to open the full channel information).
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Upcoming talks
| Date | Speaker | Affiliation | Talk Title |
|---|---|---|---|
| 2025-07-16 | Erica Behrens | University of Virginia | Probing the Kinematics of Multiple- and Single-Protostar Systems in Perseus with N2H+ |
| 2025-07-30 | Jay Lockman | Green Bank Observatory NRAO | 100 Proof: H I Observations of 100 Nearby Dwarf Galaxies with the 100 m Green Bank Telescope |
| 2025-08-13 | Steve Croft | UC Berkeley, Oxford University, SETI Institute | Updates from the Breakthrough Listen Technosignature Search |
| 2025-08-27 | Anish Roshi | University of Central. Florida | Detection of Helium Recombination Lines in the Cygnus X Diffuse Ionized Gas |
| 2025-09-10 | John Cannon | Macalester University | 100 Proof: H I Observations of 100 Nearby Dwarf Galaxies with the 100 m Green Bank Telescope |
Past talks
| Date | Speaker | Affiliation | Title | Link to Recording |
|---|---|---|---|---|
| 2025-07-02 | Pamela Freeman | University of Calgary | Chemical Diversity in High-Mass Star-Forming Regions |  |
| 2025-06-18 | Rongmon Bordoloi | North Carolina State | A New High-latitude H I Cloud Complex Entrained in the Northern Fermi Bubble | |
| 2025-06-04 | Jacob Turner | Green Bank Observatory | An Extreme Scattering Event Towards PSR B2310+42 | |
| 2025-05-21 | Bradley Johnson | University of Virginia | Axions in Andromeda: Searching for minicluster-neutron star encounters with the Green Bank Telescope | |
| 2025-05-07 | Natalie Butterfield | NRAO | Discovery of a GMC located at the Midpoint of the Galactic Bar Dust Lane | |
| 2025-04-23 | Tony Remijan | Green Bank Observatory | The Missing Link of Sulfur Chemistry in TMC-1: The Detection of c-C3H2S from the GOTHAM Survey | |
| 2025-04-09 | Kimberly Emig | NRAO | Cold ‘dark’ gas in Cygnus X: The first large-scale mapping of low-frequency carbon recombination lines | |
| 2025-03-26 | Kyle Corcoran | University of Virginia | Timing Redback Millisecond Pulsars with Nearly 20 Years of Data from the GBT | |
| 2025-03-12 | Daniela de Paulis | SETI Institute; Green Bank Observatory | A Sign in Space Analogies between the Project and a Real First-Contact Scenario | |
| 2025-02-12 | Caleb Painter | Harvard University | A New Approach to Technosignature Searches in Green Bank Telescope Observations | |
| 2025-01-29 | Jack Gallimore | Bucknell University | NRAO’s High Sensitivity Array Reveals Sub-parsec Magnetic Field Structure in an AGN Accretion Disk | |
| 2025-01-15 | Bruce Campbell | Smithsonian Institution | The Unique Role and Future Impact of Arecibo-GBT 70-cm Lunar Radar Maps | |
| 2024-12-18 | Gabi Wenzel | Massachusetts Institute of Technology | Discovery of three cyanopyrene isomers in TMC-1 | |
| 2024-12-04 | Tom Donlon | University of Alabama, Huntsville | Pulsars as Accelerometers: Exploring Binary Pulsar Systems and the Milky Way | |
| 2024-11-20 | Loren Anderson | West Virginia University | The Galactic Center Lobe as an HII Region | |
| 2024-11-06 | Ananthan Karunakaran | University of Toronto | HI in Optically Detected Ultra-Diffuse Galaxies | |
| 2024-10-23 | Simon Dicker | University of Pennsylvania | MUSTANG2 – the past, present, and future | |
| 2024-10-09 | Tony Beasley & Jim Jackson | NRAO/GBO | What’s Next for the GBO: Reintegration with the NRAO | |
| 2024-09-25 | Alexander McEwen | UMBC | The Green Bank 820 MHz Pulsar Survey: Discoveries and Follow-up | |
| 2024-09-11 | David Stark | STSci | Using GBT HI observations to probe the origins of breakBRD galaxies | |
| 2024-08-28 | Trey Wenger | University of Wisconsin | Cool Diffuse Ionized Gas Revealed by Sensitive Radio Recombination Line Observations | |
| 2024-08-14 | Priyadarshini Bangale | University of Delaware | A 350 MHz Green Bank Telescope Survey of Unassociated Fermi-LAT Sources | |
| 2024-07-31 | Carmen Choza | SETI Institute | Expanding our Cosmic Reach: New Targets and Enhanced Methods for SETI with Breakthrough Listen on the GBT | |
| 2024-07-17 | Spandan Choudury | Korea Astronomy and Space Science Institute | Revealing infall onto the subsonic filaments of B5 core using NH3 observations | |
| 2024-07-03 | — | — | July 4th Holiday | |
| 2024-06-19 | — | — | National Holiday | |
| 2024-05-29 | Sanskriti Das | Kavli Institute, Stanford University | A deep search for missing accretion in the circumgalactic medium | |
| 2024-05-22 | Scott Ransom | NRAO | The milli-second pulsars of the globular cluster Terzan 5 | |
| 2024-05-08 | Jack Orlowski-Scherer | University of Pennsylvania | A Survey of Point Sources in Clusters of Galaxies, and Other Updates from MUSTANG-2 | |
| 2024-04-24 | Karen O’Neil | Green Bank Observatory | A Galaxy Without Stars? | |
| 2024-04-10 | Chi Yan Law | Chalmers Univ. Tech. | Polarized Light from Massive Protoclusters (POLIMAP): Dissecting the role of magnetic fields in the massive infrared dark cloud G28.37+0.07 | |
| 2024-03-27 | Patrick Taylor | NRAO | Next Generation Planetary Radar with the Green Bank Telescope | |
| 2024-03-13 | Rachel Friesen | University of Toronto | Dynamics in Star-forming Cores (DiSCo) with Argus on the GBT | |
| 2024-02-28 | Jialu Li | University of Maryland, USA | Argus/GBT Observations of Molecular Gas in the Inner Regions of IC 342 | |
| 2024-02-14 | Paulo Freire | Max Planck Institute for Radio Astronomy, Germany | NGC 1851E: A millisecond pulsar in a binary system with a compact companion in the mass gap between neutron stars and black holes | |
| 2024-01-31 | Maria Drozdovskaya | Center for Space and Habitability (CSH), Universität Bern) | Observing comet C/2020 F3 (NEOWISE) with the GBT and Nançay in pursuit of NH3/H2O | |
| 2024-01-17 | Michael Busch | SC San Diego, USA | Detection of faint normal 18cm OH emission from CO-Faint Dark Molecular Gas in M31 | |
| 2024-01-03 | Michael Shull | Univ. Colorado & Univ. North Carolina, Chapel Hill, USA | The High-Latitude Interstellar Medium: Dust and Gas in the Galactic Halo | |
| 2023-12-20 | Andrew Fox | STScI, USA | The Metallicity of Compact High-Velocity Clouds | |
| 2023-12-06 | Jean-Luc Margot | UCLA, USA | Are we alone? New estimates on transmitter prevalence from UCLA SETI data | |
| 2023-11-08 | Yuxin Lin | Max Planck Institute for extraterrestrial Physics, Germany | Piecing the physical and chemical conditions of early-stage cores: ammonia observations from GBT and VLA | |
| 2023-10-25 | Yuri Y. Kovalev | Max Planck Institute for Radio Astronomy, Germany | RadioAstron and GBT imaging of nearby AGN: exciting results on M87 and 3C84 | |
| 2023-10-11 | Mark Snelders | ASTRON, The Netherlands | Microsecond duration bursts from FRB 20121102A | |
| 2023-09-27 | Dunc Lorimer | West Virginia University, USA | The latest from GREENBURST: a real-time transient detector on the GBT | |
| 2023-09-13 | Larry Morgan | GBO, USA | Filaments All the Way Down: Examining the hierarchical nature of the ISM | |
| 2023-08-30 | Charles Romero | Harvard-Smithsonian Center for Astrophysics, USA | GBT/MUSTANG-2 achieves a milestone in galaxy cluster studies | |
| 2023-08-16 | T. P. Krichbaum | Max Planck Institute for Radio Astronomy, Germany | Mapping the jet origin of M87 | |
| 2023-08-02 | Reshma Thomas | West Virginia University, USA | Magnetic field reversal in the turbulent environment around a repeating fast radio burst | |
| 2023-07-19 | Haley Scolati | University of Virginia, USA | Astronomical detection of the interstellar anion C10H- towards TMC-1 from the GOTHAM large program on the GBT | |
| 2023-07-05 | Nihan Pol | Vanderbilt University, USA | New Results from the NANOGrav Collaboration | |
| 2023-06-21 | Ryan Lynch | GBO, USA | Update on GBT Cyclic Spectroscopy Backend | |
| 2023-06-07 | Willem Baan | ASTRON, The Netherlands | The VLBI Tale of Two Megamasers | |
| 2023-05-24 | Pedro Salas | GBO, USA | Revisiting the density of the ionized gas in the Galactic plane with the GBT | |
| 2023-05-10 | Tierra Candelaria | New Mexico Tech | Widespread hot ammonia in the central kiloparsec of the Milky Way | |
| 2023-04-26 | Stefano Andreon | INAF-OA Brera, Milan, Italy | First massive galaxy clusters emerging from the web at the cosmic noon |  |
| 2023-04-12 | Dan Stinebring | Oberlin College, USA | How Porous is the Ionized Interstellar Medium? Results from a Scintillation Arc Survey | |
| 2023-03-29 | Shantanu Naidu | JPL, USA | Dimorphos orbit change due to the DART impact | |
| 2023-03-15 | Gaspar Galaz | Pontificia Universidad Católica de Chile, Chile | The molecular gas content of the giant low surface brightness galaxy Malin 1 from GBT/ARGUS observations | |
| 2023-03-01 | Ingrid Stairs | University of British Columbia, Canada | Tests of Strong-Field Gravity with the Double Pulsar | |
| 2023-02-15 | Antoine Marchal | Australian National University, Australia | Mapping the thermal condensation of diffuse H I in the North Celestial Pole Loop with the GBT | |
| 2023-02-01 | Michael A. Garrett | Jodrell Bank Centre for Astrophysics, UK | SETI: Near & Far with Breakthrough Listen and the GBT | |
| 2023-01-18 | Emilie Parent | Institute of Space Sciences (ICE – CSIC), Barcelona | Searching for pulsars and fast transients with GBT: Status of the GBNCC survey and future prospects | |
| 2023-01-04 | Ross Jennings | West Virginia University | An unusual pulse shape change in the millisecond pulsar J1713+0747 observed with the GBT and CHIME | |
| 2022-12-07 | Jane Greaves | Cardiff University, UK | GBT Photometry Seeking Pebbles in Protoplanetary Discs | |
| 2022-11-16 | Green Bank Observatory Town Hall – Hear what’s new, and what’s to come at the Green Bank Observatory | |
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| 2022-11-09 | Helen Kirk | Herzberg Research Center, Victoria | Early Results from the KEYSTONE Survey of molecular clouds | |
| 2022-10-26 | Aya Keller | University of California, Berkeley, USA | A Model-Independent Dark Matter Search Using GBT Data | |
| 2022-10-12 | Tony Remijan | NRAO, USA | PRIMOS: The Prebiotic Interstellar Molecular Survey | |
| 2022-09-28 | Felix J. Lockman | GBO, USA | A “Leading Arm” of the Smith High Velocity Cloud Stream | |
| 2022-09-14 | Lance Benner | NASA — JPL, USA | The Apophis Planetary Defense Campaign | |
| 2022-08-31 | Jack Orlowski-Scherer | McGill University | Constraints on the Thermodynamic State of X-Ray Bubbles in MS0735 with MUSTANG-2 | |
| 2022-08-17 | Akshay Suresh | Cornell University, USA | A Galactic Center Search for Fast Transients at 4–8 GHz | |
| 2022-08-03 | Ananthan Karunakaran | Instituto de Astrofísica de Andalucía | HI Properties of Satellite Galaxies Around Local Volume Hosts | |
| 2022-07-06 | Scott Ransom | NRAO, USA | NANOGrav and the Road to nanoHertz Gravitational Wave Detection | |
| 2022-06-22 | Dongzi Li | Caltech, USA | The magneto-active environment near FRBs and pulsars | |
| 2022-06-08 | Adam Hincks | University of Toronto, Canada | Mapping the Gas in Intercluster Filaments with the Sunyaev-Zeldovich Effect | |
| 2022-05-25 | Kim Emig | NRAO, USA | Revealing the Diffuse ISM in Cygnus X using Low-frequency Radio Recombination Lines | |
| 2022-05-11 | Di Li | National Astronomical Observatory of China, China | A Unified Description of FRB polarization based on FAST and GBT joint observations | |
| 2022-04-27 | Jeffrey Hazboun | University of Washington, USA | Monitoring the Solar Wind with Pulsar Timing Arrays observations | |
| 2022-04-13 | Karen Perez | Columbia University, USA | On the Breakthrough Listen Search for Intelligent Life Near the Galactic Center | |
| 2022-03-30 | Al Marscher | Boston University, USA | Peering Deep into Blazar Jets with VLBI Including the GBT | |
| 2022-03-16 | Patrick Taylor | AUI, USA | Planetary Radar with the Green Bank Telescope | |
| 2022-03-02 | Jim Jackson | GBO, USA | RAMPS: The Radio Ammonia Mid-Plane Survey | |
| 2022-02-16 | Maria Charisi | Caltech, USA | NANOGrav limits on supermassive black hole binaries in massive galaxies | |
| 2022-02-02 | Eric Koch | CfA, USA | Detailed atomic ISM kinematics across the Local Group with the GBT and VLA | |
| 2022-01-19 | Emily Moravec | GBO, USA | Exploring Merging Galaxy Clusters and Radio Galaxies at z~1 | |
| 2022-01-05 | Jorge Pineda | JPL, USA | Characterizing the ionized and neutral phases of the ISM with far-infrared fine-structure and radio recombination lines | |
| 2021-12-22 | Haley Wahl | West Virginia University | The NANOGrav 12.5-Year Data Set: Polarimetry and Faraday Rotation Measures from Observations of Millisecond Pulsars with the Green Bank Telescope | |
| 2021-12-08 | Eleonora Bianchi | University of Grenoble | The early stages of Solar-type protostars: the missing evidence of large carbon chains | |
| 2021-11-17 | Jim Jackson | GBO | GBO’s Response to the Recent Decadal Survey | |
| 2021-11-10 | D. J. Pisano | West Virginia University | Towards an understanding of the Circumgalactic Medium of Andromeda | |
| 2021-10-27 | Amanda Kepley | NRAO | Observing the Dense Molecular Gas Fueling Star Formation in Nearby Galaxies | |
| 2021-10-13 | David Frayer | GBO | GBT Observations of Gas in Luminous Infrared Galaxies | |
| 2021-09-29 | Steve Croft | UC Berkeley | Breakthrough Listen on GBT: How the World’s Biggest Steerable Dish is Engaging in the World’s Biggest SETI Program | |
| 2021-09-15 | Emmanuel Fonseca | West Virginia University | Measuring the Radius of a High-Mass Neutron Star with Radio and X-ray Observations | |
| 2021-09-01 | Charles Romero | GBO | Insights into Thermodynamic Evolution of Galaxy Clusters | |
| 2021-08-18 | Michael Busch | Johns Hopkins University | Revealing the Galactic Distribution of Dark H2 with GBT Observations of Faint OH Emission | |
| 2021-08-04 | Nissim Kanekar | Tata Institute of Fundamental Research | Fuelling Starbursts: HI in Green Pea galaxies | |
| 2021-07-21 | Jaime Pineda | Max-Planck-Institut für extraterrestrische Physik | The ion-neutral connection in Dense Cores | |
| 2021-07-07 | Marina Brozovic | JPL | Bistatic radar observations of NEOs with Goldstone and the GBT | |
| 2021-06-23 | Trey Wenger | DRAO | Galactic HII Regions and Structure in the Milky Way | |
| 2021-06-09 | Sara Issaoun | Radboud University | The Size, Shape, and Scattering of Sagittarius A* | |
| 2021-05-26 | Natalie Butterfield | GBO | Dense Molecular Gas in the Galactic Bar | |
| 2021-05-12 | Helene Courtois | University of Lyon | Cosmic-Flows in Green Bank : Discovery of Laniakea and Beyond | |
| 2021-04-28 | Laura Wolz | Manchester University | HI constraints from the cross-correlation of eBOSS galaxies and Green Bank Telescope intensity maps | |
| 2021-04-14 | Amy Sardone | Ohio State University | Quantifying the diffuse HI around 18 MHONGOOSE galaxies | |
| 2021-03-31 | Jean-Luc Margot | UCLA | Spin state and moment of inertia of Venus | |
| 2021-03-17 | Brett McGuire | MIT | An update from the GOTHAM Large Project: New molecules and new chemistry at the earliest stages of star-formation | |
| 2021-03-03 | Charles Romero | GBO | Insights into Intracluster Medium Physics from MUSTANG-2 | |
| 2021-02-17 | Kristine Spekkens | Royal Military College of Canada; Queen’s University | HI in Ultra Diffuse Galaxies to Probe their Origins | |
| 2021-02-03 | Tom Bania | Boston University | GBT Observations of 3He+: Planetary Nebulae | |
| 2021-01-20 | Kar Barger | Texas Christian University | Hydrodynamic Instabilities along the Infalling High-velocity Cloud Complex A | |
| 2021-01-06 | Jesse Bublitz, Will Armentrout, Pedro Salas, Ryan Lynch | GBO | GBO Staff Presentations at the AAS meeting | |
| 2020-12-16 | Megan DeCesar | George Mason Univ; US Naval Research Lab. | Using the GBT for Gravitational Wave Searches with Pulsar Timing Arrays | |
| 2020-12-02 | Dom Pesce | Harvard-Smithsonian Cntr. for Astrophysics | A geometric measurement of H0 by the Megamaser Cosmology Project | |
| 2020-11-18 | Joseph Simon | University of Colorado, Boulder | The search for a stochastic gravitational wave background in NANOGrav’s pulsar timing data | |
| 2020-11-04 | Adam Ginsburg | University of Florida | A GBT MUSTANG-2 Survey of the Galactic Plane: HII regions and dust | |
| 2020-10-21 | Rachel Friesen | University of Toronto | Understanding the evolution of star-forming cores and filaments with GAS | |
| 2020-10-07 | Enrico Di Teodoro | Johns Hopkins University | GBT Science: Gas Clouds Entrained in the Milky Way’s Nuclear Wind | |
| 2020-09-23 | Ryan Lynch | GBO | Recent Results from the NANOGrav Pulsar Timing Array | |
| 2020-09-09 | Brian Mason | NRAO | Long Wavelength measurements of Interstellar Dust in Orion | |
| 2020-08-26 | Loren Anderson | West Virginia University | Ionized Gas in the Galactic Midplane | |
| 2020-08-12 | Karen Masters | Haverford College | HI-MaNGA: HI Followup for the MaNGA Galaxy Survey with GBT | |
| 2020-07-29 | H. Thankful Cromartie | University of Virginia | Recent Relativistic Shapiro Delay Observations with the GBT | |
| 2020-07-15 | Brian Svobda | NRAO | Towards a multi-scale view of dense gas in the Milky Way | |
| 2020-06-24 | Toney Minter, David Frayer, Will Armentrout | GBO | Software Support Projects | |
| 2020-06-11 | Jill Malusky, Sue Ann Heatherly, Amanda White, Ryan Lynch | GBO | Public Outreach and Educational Programs | |
| 2020-05-20 | Brian Mason, Charles Romero | NRAO, GBO | MUSTANG-2 Current & Future Science | |
| 2020-05-06 | David Frayer, Pedro Salas | GBO | 3mm Spectroscopy | |
| 2020-03-21 | Ryan Lynch | GBO | Pulsar Science | |