About 120 light-years from Earth, in the constellation Leo, a planet roughly eight times our world’s mass is forcing ...

Dr Sarah Alam Malik suggests Saturn's moons Titan and Enceladus, and Jupiter's moon Europa, may host conditions suitable for life, challenging traditional views of the 'Goldilocks zone'.

For decades, the search for life beyond Earth has revolved around a key question: What molecules should scientists be looking ...

Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is just a story.

Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of alien flight.

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...

New UCR research shows that the search for life beyond Earth could benefit from a statistical approach that prioritizes ...

Scientists say amino acids produced by life are distributed differently and more diversely than amino acids produced by ...

The study warns that the search for alien life could be marred by the fear of 'false positives'.

A female FBI informant agent claimed she 'feared for her life' in 1967 after reporting her UFO experiences to the agency, the ...

The files have been a source of intrigue and fascination for generations of skeptical Americans wondering if we’re alone in the universe.