A rocky exoplanet outside the Earth's solar system may have an atmosphere, according to new evidence gathered by NASA ...

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

NASA’s Chandra telescope uses a new X-arithmetic method to compare X-ray energies and show how supermassive black holes shape galaxy clusters and galaxy groups, revealing differences in gas movement a ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

These XR glasses are a theme park experience waiting to happen. I checked out Disney-backed startup Liminal Space's tech in person.

The North American X-15 did more than set records; it quietly redrew the map of what a piloted aircraft could survive at the ...

A sudden black hole flare unleashed stunning, near light speed winds that echo the Sun’s most powerful eruptions.

Sunspot AR3663 erupted with powerful X1.6 and M4 solar flares. NASA's Solar Dynamics Observatory captured the fireworks.

If you feel a thrill every time we discover something new about the cosmos, then November 25th may have been a noteworthy day ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

An important part of data collection for the United States space program, the North American X-15 had astonishing performance ...