A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

, July 10 -- Scientists searching for signs of intelligent extraterrestrial life say some of the coldest objects in the Milky ...

Researchers in a recent breakthrough study have found the possibility of structures in the Milky Way that could be built by ...

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth could thus be overlooking prime evidence of alien intelligence.

SETI may have missed alien signals for 60 years because stellar plasma smears transmissions into noise, a new Astrophysical Journal study finds.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Add Yahoo as a preferred source to see more of our stories on Google. According to the study, "Belief in extraterrestrial life is on the rise, with nearly two-thirds of Americans now convinced that ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

While telescopes like the James Webb Space Telescope (JWST) can detect the chemical fingerprints of distant atmospheres, ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...