September 16, 2025
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Breaking News
  • [ September 15, 2025 ] Northrop Grumman’s 1st Cygnus XL spacecraft launches on cargo run to the space station Falcon 9
  • [ September 14, 2025 ] Launch preview: SpaceX to launch new, improved Northrop Grumman Cygnus XL resupply ship to the space station Falcon 9
  • [ September 13, 2025 ] SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB Falcon 9
  • [ September 12, 2025 ] Department of the Air Force, FAA clear SpaceX to launch up to 120 Falcon 9 rockets annually from Cape Canaveral News
  • [ September 12, 2025 ] New U.S. military satellite constellation takes shape with first launch from Vandenberg SFB 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

  • Northrop Grumman’s 1st Cygnus XL spacecraft launches on cargo run to the space station
    September 15, 2025
  • Launch preview: SpaceX to launch new, improved Northrop Grumman Cygnus XL resupply ship to the space station
    September 14, 2025
  • SpaceX launches 24 Starlink satellites on Falcon 9 rocket from Vandenberg SFB
    September 13, 2025
  • Department of the Air Force, FAA clear SpaceX to launch up to 120 Falcon 9 rockets annually from Cape Canaveral
    September 12, 2025
  • New U.S. military satellite constellation takes shape with first launch from Vandenberg SFB
    September 12, 2025
  • SpaceX launches Indonesian communications satellite following three days of scrubs
    September 10, 2025
  • Launch preview: Space Development Agency, SpaceX to launch next-gen national security satellites
    September 10, 2025
  • Poor weather halts SpaceX launch attempt of Indonesian communications satellite for second day in a row
    September 8, 2025
  • SpaceX passes 2,000 Starlink satellites deployed in 2025 with Saturday launch
    September 6, 2025
  • SpaceX aces 500th Falcon booster landing amid sunrise Starlink mission
    September 4, 2025
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