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In October 2017, astrobiologist Karen J. Meech got the call every astronomer waits for: NASA had spotted the very first visitor from another star s...
An Interview with the Harvard Astronomer Avi Loeb About the Mysterious Interstellar Object ‘Oumuamua Isaac Chotiner interviews Avi Loeb, the ch...
A mysterious cigar-shaped object spotted tumbling through our solar system last year may have been an alien spacecraft sent to investigate Earth, a...
Cigar-shaped body has a deep surface layer made of organic ices baked in interstellar radiation – and potentially has ice in its heart, say astrono...
'Oumuamua, the first object known to have come from beyond the solar system, might have gotten its oblong shape when a planet was shredded by a far...
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