CIA researcher claims the US recovered four alien species from UFO crashes, sparking renewed debate over extraterrestrial ...
Space.com on MSN
NASA's Psyche spacecraft is flying to a metal asteroid. So, why did it just visit Mars?
NASA's Psyche flyby of Mars highlights how gravity assists help spacecraft gain speed, conserve fuel and travel across the ...
Live Science on MSN
Watch a newly discovered, blue-whale-size asteroid fly super close to Earth on Monday
Newly spotted asteroid 2026 JH2, which could be up to 115 feet wide, will fly past Earth closer than some satellites on ...
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