In 1987, an enormous blue arc, thought to be hundreds of trillions of miles long, was first considered one of the largest objects ever detected in space. The arc was discovered near the galaxy cluster ...

Did Sam Altman just figure out what AI's been missing? Or did he get locked into the very thinking he's spent his career ...

The dark streaks that stripe Martian slopes have puzzled scientists for decades. A recent study, using artificial ...

There’s a strange kind of freedom that comes from being on the open road in a foreign country. A liberating rush that settles ...

A journey through Nevada’s eccentric side — where the ghosts are real, the art is immersive, and the weirdness has no bounds ...

Hubble’s image of the Large Magellanic Cloud reveals a cotton candy-like cloudscape using light our eyes can’t see, like ...

A stunning new image sent back from the world's most expensive space telescope, the James Webb Space Telescope, shows the ...

The images are the first to capture the process of cloud convection on Titan, rather than the 'before' and 'after.' ...

While its composition seems to be be understood, questions remain about everything from its shape to how forces act upon it. Proposed in 1950 by the Dutch astronomer Jan Oort, the cloud sits ...

Once you understand how certain clouds develop their shapes, you can learn to forecast the weather. Clouds that look like cartoon cotton balls or cauliflower are made up of tiny liquid water ...

Previous research has suggested that the Oort cloud contains remnants of the solar system's planets, which were formed over 4 billion years ago, but its exact shape and structure have been a mystery.