ALIENS could discover humans on Earth by spotting one of 12 signs, scientists say. Topping the list is a clue that could be ...

NASA scientists found amino acids, key minerals, and nucleobases for DNA in samples from the OSIRIS-REx asteroid mission.

When we turn to "complex" extraterrestrial life or "intelligent" aliens, our results were 67.4% agreement, and 58.2% agreement, respectively for astrobiologists and other scientists. So ...

SETI scientists suggest that extraterrestrial civilizations could detect Earth through 'technosignatures' like planetary ...

Searching for life in alien oceans may be more difficult than scientists previously thought, even when we can sample these ...

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The latest research aims to not only assess how detectable we are but also to refine the methods used in the search for other ...

Chemical traces and microbes could break down or transform as they rise, making them unrecognizable by the time they reach ...