The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

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

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

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