India's planned Chandrayaan-4 mission aims to collect lunar samples and return them to Earth, requiring two separate launches ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

"Pale Blue Dot" – one of the last photos taken by Voyager 1 – is still the most distant image of the Earth. Astronomer Carl ...

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China has managed to deliver a pair of satellites into lunar orbit despite the spacecraft initially being stranded in low ...