When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

A visually ambitious animated sci-fi adventure with thrilling space battles, unforgettable worldbuilding, and a story that ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

The planet, designated GJ 3378b, orbits the faint red dwarf star in the constellation of Camelopardalis, the Giraffe.

The first Subnautica – which I'll call SN1 for simplicity – is an open-world survival crafting game set on an alien ocean ...

Ash begins with Riya Ortiz waking inside a blood-soaked station on KOI-442, the distant planet called Ash, with no memory of ...

Not all islands are surrounded by water. Some are ringed by wheat fields, highways, fences, suburbs and municipal boundaries. For the creatures trapped inside them, survival depends on ...

Do not shout ‘alien!’” Amid surge of public interest in UFOs or UAP, one group updated its rules for how news of extraterrestrials should be revealed.