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 ...

It was the inimitable late Carl Sagan who had kindled in many of us curiosity about all things extra-terrestrial and the ...

Sagan's team created the greatest puzzle of all time, which you can only solve if your species understands the basic nature of the universe.

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

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 ...

DO ALIENS pollute their planets? Let’s hope they do, as this would give us a promising way of spotting where they live. Radio noise may be too short-lived to help us find aliens, if our own activity ...

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 ...

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