For decades, the search for life beyond Earth has focused on distant exoplanets and the rusty plains of Mars. Now, a small ...

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

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

The mysterious 3I/ATLAS comet is hurtling towards Earth and is set to make its closest approach on Friday, December 19, with ...

The unusual specimen raised eyebrows because it appeared capable of causing levitation. An official investigation has not ...

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