America’s favorite astrophysicist has turned that lifelong fascination into a book, “Take Me to Your Leader: Perspectives on ...

Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

The Trump administration released 162 declassified UFO-related files on Friday, including an FBI memo describing humanoid ...

If intelligent life exists beyond Earth, we may be picturing the wrong kind of encounter. Most of us imagine other beings as ...

Dive into a visually stunning exploration of the search for intelligent life among the billions of stars in our universe.

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

The witness account describes "three and a half to 4 feet tall" aliens wearing "space suits and helmets" ...

In space, no one can hear you scream...but your neighbors might when they see you've got a 6-foot alien in your front yard.

A newly declassified set of UFO-related FBI and Pentagon documents has reignited global fascination with unidentified aerial ...

Alien Day was this past Sunday (April 26), and to celebrate one of the best sci-fi horror franchises of all time, HBO Max has just added the special editions of the first four Alien movies onto the ...

Indie developer Bugbyte Ltd has celebrated the full V1.0 launch of Space Haven, the deep spaceship colony simulation ...