Letters: Readers offer their explanations for the absence of hard evidence for extraterrestrial civilisations, in response to an article by Adam Kirsch ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration of an exoplanet in an alien star system. New research suggests that radio emissions from intelligent aliens may be ...

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 ...

An image of Mars taken by NASA's rover has sparked theories that aliens may be hiding on the Red Planet.

We break down the "real monsters" of the TV series and its place in the franchise.

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 ...

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

One day, probably far off in the very distant future, if astronomers are correct in their assumptions about the vastness of space, Earth will be visited by intelligent beings from another planet.

The big screen has played host to many epic alien invasions, but so have our TVs, and here's the five best alien invasions ...

Some of the best alien invasion movies on Netflix include A Quiet Place II, War Machine, Rim of the World, Nope, and Bugonia, and each have a strong cast.

Few horror franchises have had the impact of Alien. Over the last four-plus decades, there have been nine movies, several video games and comics, and the hit TV series, Alien: Earth. The films have a ...