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New space junk removal idea: Using ion engine exhaust to knock debris out of the sky

Over 14,000 pieces of junk are clogging up low Earth orbit, but this number could be reduced by a new invention that involves ...

Here are the tools Perseverance used to spot a potential sign of ancient life

NASA's search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists ...