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Near-Earth asteroid Kamo'oalewa imaged from a distance of 20 km by Tianwen-2, July 2, 2026. Credit: CNSA HELSINKI — China’s Tianwen-2 sample return spacecraft has arrived at Kamoʻoalewa, revealing the ...

Stream now with KPBS Passport on KPBS+ / Watch Tuesday, July 7, 2026 at 11:30 p.m. on KPBS TV. The half-hour documentary ...

NASA has two options for bringing rock and sediment samples from Mars to Earth, but will let the incoming Trump administration decide which course to take. An independent review board found that the ...

This photomontage shows tubes containing samples from Mars, as collected by NASA’s Perseverance Mars rover. The agency’s Mars Sample Return Program plans to bring these samples back to study them in ...

The new test proved the capability of a new propellant that will enhance the rocket's performance, making a sample return mission from Mars increasingly viable. Share on Facebook (opens in a new ...

For several years now the biggest space agencies in the Western world have been struggling to get going the Mars Sample Return mission, perhaps the most ambitious robotic space mission ever undertaken ...

China has launched its first mission to retrieve samples from an asteroid. The Tianwen-2 mission launched at 01:31 a.m. local time on 28 May from the Xichang satellite launch centre, south-west China, ...

Render of the Tianwen-2 near-Earth asteroid/comet orbiter spacecraft. Credit: CNSA HELSINKI — The spacecraft for China’s Tianwen-2 combined near-Earth asteroid sample return and comet rendezvous ...