Scientists and space agencies are shooting for the Moon -- 5 essential reads on modern lunar missions

Chandrayaan-3’s successful landing on the Moon made 2023 a big year for lunar exploration, and future years will come with even more discoveries.

Mary Magnuson, Assistant Science Editor • conversation
Dec. 12, 2023 ~8 min

Space junk in Earth orbit and on the Moon will increase with future missions − but nobody's in charge of cleaning it up

Treaties meant to ensure sustainability in space don’t currently regulate private companies, and not every country has signed on to an agreement for sustainable space exploration.

Chris Impey, University Distinguished Professor of Astronomy, University of Arizona • conversation
Aug. 31, 2023 ~8 min


Mars is littered with 15,694 pounds of human trash from 50 years of robotic exploration

Discarded pieces of landing gear, crashed spacecraft and wear and tear have produced a lot of debris that is now scattered around the Martian surface.

Cagri Kilic, Postdoctoral Research Fellow in Robotics, West Virginia University • conversation
Sept. 20, 2022 ~6 min

Scientists calculate the risk of someone being killed by space junk

The southern hemisphere is more likely to be hit by space debris than the northern one.

Monica Grady, Professor of Planetary and Space Sciences, The Open University • conversation
July 25, 2022 ~7 min

Russian anti-satellite weapon test: What happened and what are the risks?

Russia destroyed one of its old satellites during a successful test of an anti-satellite weapon. A space security expert explains what this weapon was and the dangers of the expanding debris field.

Wendy Whitman Cobb, Professor of Strategy and Security Studies, US Air Force School of Advanced Air and Space Studies • conversation
Nov. 16, 2021 ~8 min

If a satellite falls on your house, space law protects you – but there are no legal penalties for leaving junk in orbit

Chances are small that space junk will destroy property or harm a person, and existing space law could deal with such an event. But current law doesn't address the bigger problem of space pollution.

Timiebi Aganaba, Assistant Professor of Space and Society, Arizona State University • conversation
May 17, 2021 ~9 min

Space junk: Astronomers worry as private companies push ahead with satellite launches

SpaceX recently launched 60 satellites into orbit around Earth as part of its Starlink programme.

Martin McCoustra, ScotCHEM Chair in Chemical Physics, Heriot-Watt University • conversation
May 13, 2020 ~6 min

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