February 26, 2026
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Breaking News
  • [ February 25, 2026 ] SLS rocket hauled back to VAB for repairs Artemis
  • [ February 25, 2026 ] SpaceX launches 500th Starlink satellite in 2026 during Wednesday Falcon 9 flight Falcon 9
  • [ February 24, 2026 ] SpaceX’s Tuesday twilight Falcon 9 rocket launch sends 29 Starlink satellites into low Earth orbit Falcon 9
  • [ February 21, 2026 ] SpaceX’s most-flown Falcon booster launches on record 33rd flight Falcon 9
  • [ February 21, 2026 ] NASA’s Artemis 2 rocket hit by new problem expected to bump moonshot into early April Artemis

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

  • SLS rocket hauled back to VAB for repairs
    February 25, 2026
  • SpaceX launches 500th Starlink satellite in 2026 during Wednesday Falcon 9 flight
    February 25, 2026
  • SpaceX’s Tuesday twilight Falcon 9 rocket launch sends 29 Starlink satellites into low Earth orbit
    February 24, 2026
  • SpaceX’s most-flown Falcon booster launches on record 33rd flight
    February 21, 2026
  • NASA’s Artemis 2 rocket hit by new problem expected to bump moonshot into early April
    February 21, 2026
  • Falcon 9 launches 25 Starlink satellites after weather delays
    February 20, 2026
  • Moon mission fueling test concludes with no major problems
    February 20, 2026
  • Independent report sharply criticizes NASA management, Boeing for troubled Starliner flight
    February 19, 2026
  • SpaceX launches second Falcon 9 rocket to return to a landing in The Bahamas
    February 19, 2026
  • NASA to attempt second full fueling test of its Space Launch System rocket
    February 17, 2026
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