December 6, 2025
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Breaking News
  • [ December 5, 2025 ] International Space Station prepares for new commander, heads into final five years of planned operations Mission Reports
  • [ December 4, 2025 ] SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandengerg SFB Falcon 9
  • [ December 4, 2025 ] Orion hatch ‘blemish’ delays launch day rehearsal for Artemis 2 astronauts Mission Reports
  • [ December 3, 2025 ] Jared Isaacman makes second appeal for NASA administrator position News
  • [ December 2, 2025 ] Sunset SpaceX launch adds 29 more Starlink satellites into low Earth orbit Falcon 9

Radio Astronomy

News

Arecibo Observatory collapses as scientists lament loss of deep space radar

December 1, 2020 Stephen Clark

The 900-ton suspended platform of Puerto Rico’s famed Arecibo Observatory collapsed Tuesday after cable failures, crashing into the radio telescope’s iconic dish and shattering a research instrument used to study pulsars, galaxies, planets, and asteroids that might threaten Earth.

News

Arecibo Observatory faces demolition after cable failures

November 19, 2020 William Harwood

After withstanding hurricanes and earthquakes, playing central roles in movies like “GoldenEye” and “Contact,” Puerto Rico’s famed Arecibo Observatory, once the largest radio telescope in the world, will be demolished because of cable failures that left its huge detector platform too unstable to attempt repairs.

Mission Reports

Chinese data relay satellite nears post over far side of the moon

June 3, 2018 Stephen Clark

A Chinese communications satellite carrying a Dutch radio astronomy instrument launched last month is expected to maneuver into position around a gravitationally-neutral point beyond the moon in the coming days, ready to relay telemetry and data between Earth and the Chang’e 4 lander set to attempt the first landing on lunar far side late this year.

Members

Q&A with Heino Falcke, principal investigator of the Netherlands-China Low-Frequency Explorer (members only)

June 1, 2018 Stephen Clark

Heino Falcke, an accomplished radio astronomer at Radboud University in the Netherlands, leads a team of European scientists and engineers who developed a scientific receiver flying on China’s Queqiao spacecraft flying to a point in space beyond the far side of the moon.

News Headlines

  • International Space Station prepares for new commander, heads into final five years of planned operations
    December 5, 2025
  • SpaceX launches 28 Starlink satellites on Falcon 9 rocket from Vandengerg SFB
    December 4, 2025
  • Orion hatch ‘blemish’ delays launch day rehearsal for Artemis 2 astronauts
    December 4, 2025
  • Jared Isaacman makes second appeal for NASA administrator position
    December 3, 2025
  • Sunset SpaceX launch adds 29 more Starlink satellites into low Earth orbit
    December 2, 2025
  • Arianespace launches South Korean Earth observation satellite on Vega-C flight
    December 2, 2025
  • SpaceX launches evening Falcon 9 rocket from Vandenberg SFB
    December 1, 2025
  • SpaceX kicks off December with predawn Falcon 9 rocket launch
    November 30, 2025
  • SpaceX launches 140 spacecraft on Transporter-15 rideshare mission
    November 28, 2025
  • NASA astronaut, two cosmonauts take Thanksgiving Day ride to space station
    November 27, 2025
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