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

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

Stacker compiled a ranking of cities with the most UFO sightings in Wisconsin using data from the National UFO Reporting Center.

In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...

Obsession became the 10th highest-grossing horror movie of all time at the worldwide box office this weekend. However, the ...

The working paper, published by the Federal Reserve Bank of Dallas, examined the effect of unauthorized immigrant worker ...

From Metroid to Red Dead Redemption, these iconic video games would translate perfectly into the silver screen.

Astronomers have identified GJ 3378b, a super-Earth located 25 light-years away, in the habitable zone of its star, raising ...

The video ranks the wildest alien megastructure ideas, from famous Dyson spheres to black-hole planets, ring worlds, ...

'Beef,' 'Hacks' and 'The Pitt' seem set to run the table in this year's Emmy nominations, but there's still intrigue to be ...

You are driving alone through a quiet countryside road at dusk when something strange appears in the sky. A sudden white ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.