Author: Green Bank Observatory

  • Breakthrough Listen, NSF Green Bank Telescope Probe Galactic Heart for Hidden Pulsars

    Astronomers discover possible millisecond pulsar, challenging ideas about how many neutron stars lurk around the Milky Way’s central black hole.

  • 26B Semester

    2026B Call for Proposals The Green Bank Observatory (GBO) invites the scientific community to submit proposals for the 2026B Semester. Submission Deadline:Wednesday, 4 February 2026, at 17:00 EST (22:00 UTC). The National Radio Astronomy Observatory / Green Bank Observatory (NRAO/GBO) Call for Proposals for the Semester 2026B closed on Wednesday, 4 February 2026 at 17:00 ET (22:00 UTC).…

  • Change in balance command

    We have released a change in the behavior of the Balance() command on the GBT.

  • NSF’s ongoing technical coordination with satellite constellation operators

  • Contents of the Fermi Bubbles and Related Topics

    Contents of the Fermi Bubbles and Related Topics The Green Bank Observatory is hosting a workshop May 5th to May 7th 2025 on the Fermi Bubbles in honor of Jay Lockman’s 50+ years of service to NRAO/GBO.  The Fermi Bubbles are a striking signature of the large-scale, multi-phase galactic outflow originating from the center of…

  • GBT Surveys of the 21-cm Sky

    ALPACA, the Advanced L-band Phased Array Camera for Astronomy, is a phased-array receiver capable of providing high sensitivity observations simultaneously for 40 beams on the GBT in the 1-2 GHz band.

  • NSF Green Bank Telescope Gets a New Coat of Protection

    Vital repainting project will extend lifespan of world’s largest fully steerable radio telescope The U.S. National Science Foundation Green Bank Observatory (NSF GBO) is embarking on a crucial maintenance project to protect the structural integrity of the NSF Green Bank Telescope (NSF GBT), the world’s largest fully steerable radio telescope. The NSF GBT has been…

  • Astrobiology Teachers Workshop

    Join us for a 5-day Astrobiology Workshop geared towards Middle and High School Science Teachers, to be held at the U.S. National Science Foundation Green Bank Observatory! June 29 – July 4, 2025 During this conference, teachers will: Every day, you will collaborate with other teachers, engage in scientific lectures, participate in fun hands-on activities,…