Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...
A Chinese spacecraft on a mission to collect and return samples of a near-Earth asteroid beamed back its first image of its ...
'This one's exciting.' ...
"This is the first time that we've been able to predict in human history an asteroid visibly passing by the Earth." ...
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