The discovery is the first evidence supporting the hypothesis that very low-mass, low-temperature stars should have Earth-sized or smaller planets orbiting them.
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.
Laboratory test on ice compression has revealed that Jupiter's icy moon's crust could generate a surprising amount of heat, opening a new window into understanding the moon's potentially life-giving ocean.
Hawking said it's not likely that scientists will find intelligent alien life in the next 20 years. But he had one caveat.
In the face of an alien invasion threat, we may be able to hide our entire planet through an intriguing use of lasers.
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.
A correlation is found between when methane plumes appear on Mars and when the planet passes through remnants of a comet.
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