They came from outer space and took over our TV screens! Join us as we count down our picks for the most iconic ...

Alien invasion movies are fun, but an all-star cast makes them all the more appealing. Tune in as we compile the best ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...

The Alien franchise is filled with amazing and terrifying science fiction creatures, each lethal in their own way but these ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

Scientists have identified two possible exoplanets where aliens could have lived for five billion years before life on Earth ever began. The planets could exist in our own Milky Way galaxy and share ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars. They found that giant planets can spin faster than much more massive ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life. Tardigrades—a type of invertebrate ...

A fan theory on Reddit suggests that the creatures in M. Night Shyamalan's "Signs" aren't aliens, but actually demons. Here's why the theory makes sense.