A mysterious metal shard, once thought to be a piece of a UFO that crashed in 1947, has sparked years of wild speculation.

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

An ominous UFO has breached our solar system and is hurtling toward Earth – and researchers suspect the extraordinary object may be an alien spacecraft sent to survey humanity ahead of an invasion, ...

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 ...

The man who claims a comet is an alien spaceship has claimed alien contact with Earth will be confirmed by 2030. Theoretical physicist Avi Loeb has been leading speculation that the so-called 3I/ATLAS ...

The interstellar comet 3I/ATLAS is just days away from coming as close to Earth as it will ever get. Here's how you can track ...

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

NASA's Hubble Space Telescope and an ESA orbiter bound for Jupiter both recently glimpsed 3I/ATLAS. The comet will make its closest approach to Earth in December but poses no threat and is not visible ...