X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

X-ray telescopes catch a black hole firing ultra-fast winds at 60,000 km/s, revealing how flares trigger extreme cosmic ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

XRISM’s Xtend telescope captured the first X-ray image of interstellar comet 3I/ATLAS, revealing a faint X-ray glow and ...

The 84-foot-diameter space rock—dubbed "2025 XM"—is hurtling through the solar system at a zippy 9,753 miles per hour.

NASA has announced when the longest total solar eclipse of the century will occur—and you won’t have to wait long. Here’s ...

The annual orbital rocket launch record on Florida's Space Coast has already fallen by the wayside for the fourth consecutive ...

Scrub! SpaceX has scrubbed the Dec. 7 liftoff with poor weather moving over the Space Coast. The next launch attempt is no ...

Decades before hypersonics entered today's headlines, NASA drafted an aircraft that bordered on surreal. Discover the story ...

Scientists say that 3I/ATLAS has likely been traveling through interstellar space for a long time. Based on how fast it was ...