Analysis of a space rock that landed on a frozen Michigan lake revealed a rich array of extraterrestrial organic compounds.

Martian Moon Deimos Might Have Reshaped Itself and Its Orbit: Dr. Matija Ćuk, SETI Institute research scientist, and collaborators propose that Mars’s smaller moon may have undergone repeated ...

James Webb has detected a molecule in the atmosphere of the exoplanet K2-18b that could be linked to life. The molecule, dimethyl sulfide or DMS, is produced on Earth only by biological processes. In ...

Scientists report the first confirmed detection of thiepine, a complex sulfur-bearing molecule, in an interstellar cloud near the Milky Way’s center.

A 13-atom molecule containing sulfur has been discovered in interstellar space for the first time, providing insight into the origins of the chemistry of life.

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.

A thick shell "implies a longer route that oxygen and nutrients would have to travel to connect Europa’s surface with its ...

Scientists argue that limiting the search for life strictly to a star’s traditional habitable zone is too restrictive. That ...

Geophysicists at Washington State University have uncovered a possible explanation for how nutrients may travel into the subsurface ocean of Europa, a moon of Jupiter that ranks among the strongest ...

The complex building blocks of life can form spontaneously in space, a new lab experiment shows. The complex precursors to biological molecules can form spontaneously in interstellar space, according ...

The host Bill Maher fears aliens might meet Trump first, warning it would give them the wrong impression of humanity.

A former analyst at the UK central bank warned of apocalyptic financial scenarios if we ever confirm alien life.