The most sensitive radio scan in history found no signs of alien tech on interstellar object 3I/ATLAS. Discover why this ...

Is 3I/ATLAS a natural comet or an alien probe? Harvard's Avi Loeb explores the mystery of its sunward 'anti-tail' and what it ...

It's almost certainly not an extraterrestrial telegram. But waves that seemed to come from the vicinity of Proxima Centauri ...

According to a new scientific hypothesis, alien civilisations may only become detectable at the moment of their collapse.

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

From his home in Possagno, nestled in the foothills of the Italian Alps, photographer Valter Binotto captured an image ...

Long before scientists discovered that other stars in the universe host their own planetary systems, humanity had ...

The mystifying 3I/ATLAS interstellar comet is blazing toward Earth and will soon come as close to our planet as it ever will.

The Day the U.S. Government Abruptly Declared UFOs Boring On December 17, 1969, one of the most suspenseful, paranoid, and ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's everything to know about it.

Signs of Danger is a falling-sand-physics action-roguelite with built-in online and couch co-op multiplayer. Drop onto dangerously reactive alien planets where every pixel is physically simulated.

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien gas-giant planet. “I didn’t think this was possible,” says astronomer Sierra Grant ...