Water is all around us, yet its surface layer—home to chemical reactions that shape life on Earth—is surprisingly hard to ...

Researchers are stunned after new readings show 3I/ATLAS surrounded by a huge x-ray cloud stretching 250,000 miles.

While synchrotron radiation is often thought of as "stable," the electromagnetic field exhibits pronounced randomly ...

The X-ray astronomy satellite XRISM observed the comet 3I/ATLAS and targeted its X-ray emissions to discern the object’s ...

A high-altitude balloon telescope has revealed new patterns in X-rays emitted near the black hole Cygnus X-1. These signals ...

For those of us who think we have a handle on the universe, a new discovery has just thrown the celestial rulebook out the ...

The 3I/ATLAS observatory captured a baffling 250,000-mile X-ray cloud around the interstellar comet 3I/ATLAS, with scientists ...

NASA’s Chandra Observatory has produced vivid, energy-segmented X-ray maps of galaxy clusters, revealing shock waves, cooling ...