A rare “ultra-hot Neptune” has revealed startling details, from near-2,000°C surface temperatures to unexpected reflective ...

NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) has captured a stunning view of supernova remnant ...

In world-first observations, the James Webb Space Telescope is watching two distant alien planets "spilling their guts into ...

NASA's PUNCH and SPHEREx missions are scheduled to launch no earlier than Friday (Feb. 28). Here's what each is built to do, ...

A week ago, the asteroid set a new record for having the highest probability of hitting Earth -- 3.1 percent according to ...