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 ...

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

A mysterious interstellar object named 3I/ATLAS entered the solar system in mid-2025. Astronomers across the world noticed its unusual path and lack of a visible tail. That odd behaviour made ...