From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

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

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

Extraterrestrial visitors are not only already here – they are landing in a top secret “alien airport” hidden away in the ...

Scientists now believe life may be found on the notoriously inhospitable planet of Venus – but they believe it will have come ...

A Stanford scientist's model suggests many small rocky planets can't sustain atmospheres, potentially explaining the scarcity of alien life and positioning Earth as one of the first habitable planets.

Could alien life exist closer than we think? The Sky at Night team investigate.

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial ...

Mercury is due to join Venus and Jupiter in the night sky for an uncommon celestial event commonly known as a planet parade. Here's how to catch it.

Brad Bird talks to Collider about the 30-year journey to get Ray Gunn made and shares his thoughts on sequels to his Pixar ...

The animated sci-fi noir is coming to Netflix and stars the voices of Sam Rockwell and Scarlett Johansson.