Unless a typical civilization lasts much longer than ours, it's likely that others have gone extinct.
Was the 1977 'Wow!' signal communications from an alien civilization? Or was it interference from a passing comet? In 2017, we may finally have an answer.
California-based SETI Institute plans to expand a hunt for radio signals broadcast by extraterrestrial civilizations by scanning red dwarf stars, which are older and smaller than stars like the sun.
The identification of core genes needed for life may not only spill secrets of how biology got its start on Earth, but also shed light on the hunt for life beyond the planet.
How the heck can we find, let alone communicate with, extraterrestrial intelligences when there's billions of potentially life-friendly planets to survey?
To receive a message from an intelligent alien civilization, we have to be looking in the right place at the right time; how can we maximize our chances?
Our fascination with the possibility of intelligent life on other planets is boundless. With so many stars out there, so many galaxies, we're just sure "they" are out there! Er, there's just one nagging question: Where the heck ARE they?
Microbes appear to be dormant in permafrost in a region of Antarctica, which could deal a blow for the search for life in similar regions on Mars.
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