For more than a century, popular culture has trained us to picture extraterrestrials as bug-eyed, bipedal “little green men” ...

There's the invasion by a warlike species, there's the highly evolved species trying to communicate with our primitive ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these signals are likely sent as narrowband radio waves, we may now have a way to ...

Hawaii’s Gemini North telescope has captured new images of interstellar comet 3I/ATLAS with a green glow as it remerges from ...

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

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

Historically, many scientists and society have been fascinated by the prospect of making contact with extraterrestrial ...

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

A mysterious red jellyfish-like flashes, which were spotted in the sky, sparked rumours about aliens sending signals to our planet. People said that it “looked alien” as the flashes glowed brightly in ...

If you found out we weren't alone, if someone showed you, proved it to you, would that frighten you? That question sits at ...