As the interstellar comet 3I/ATLAS sweeps through the inner solar system, it has become a magnet for both scientific ...

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

Imagine peeling back miles of frozen white and revealing valleys, rivers, and mountains that haven't seen sunlight in tens of ...

For nearly two decades, Doctor Who’s Christmas specials have served as tonal reset buttons, experimental playgrounds and, at ...

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

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

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

Comet 3I/ATLAS will be closest to Earth around 1 a.m. ET Friday, Dec. 19, according to Space.com, citing calculations from ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Today is one astronomers, stargazers and alien conspiracy theorists have been waiting for: interstellar comet 3I/ATLAS is as ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will in a matter of days come as close to our planet ...