Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

You may have even been tempted yourself to put down cash on your favorite pop-culture hunch. But the recent Google case ...

Astronomers may have witnessed one of the rarest and most dramatic cosmic events ever seen: a long-sought intermediate-mass ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

The Harvard astrophysicist has devoted years—and thousands of interviews—to the idea that mysterious objects streaking ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

The International Space Station is now home to an even more capable quantum laboratory, where NASA cools atoms to nearly ...

The China National Space Administration's 'Reusable Experimental Spacecraft' has been spotted releasing an unidentified ...

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...

Having already delivered samples of the asteroid Ryugu to Earth, Hayabusa2 will soon attempt one of the closest, riskiest ...