Interstellar object 3I/ATLAS, the third such visitor ever observed, is exhibiting unusual energy and chemical behavior as it ...

A Carnegie-led team of astronomers detected the strongest evidence yet of an atmosphere around a rocky planet beyond our ...

Alien spaceships are in a league of their own, though. Earth does have a force field that could make a spacecraft landing ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

The New York State Pavilion — the soaring, space-age icon built for the 1964 World’s Fair in Flushing Meadows-Corona Park, ...

Breakthrough Listen searched for technosignatures from interstellar comet 3I/ATLAS but found no unusual signals or behavior ...

Eisenman has said she started out in a “degenerate and proto-queer” environment, asserting that, when she arrived in New York ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

A legendary signal from deep space, once dismissed by some as statistical noise, has just become even more mysterious.

Astronomers thought they had seen the "first hints of life on an alien world" this year, but they disappeared under closer ...

An instrument aboard NASA’s Europa Clipper spacecraft captured rare ultraviolet observations of an interstellar comet while Earth-based telescopes were blinded by the Sun. The spacecraft’s unique ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...