This is the first-ever image of the fleeting phenomena known as terrestrial gamma-ray bursts. (Image credit: University of Valencia) Gamma-rays are the highest-energy form of light in the universe.

Petry assembled this image from seven years of data from NASA’s Compton Gamma-Ray Observatory, which was active from 1991 to 2000. The Compton Observatory orbited the Earth at an average ...

Several of the first images captured by the James Webb Space Telescope have been enhanced with the glowing pinks, purples and blues of X-rays captured by NASA’s Chandra X-ray Observatory.

A new image of the sun shows a cornucopia of X-ray and ultraviolet colors erupting from our nearest star. Our sun is in an active period with plenty of sunspots and flares, as it leaves the peak ...

This galaxy cluster has mysterious cosmic tendrils over 200,000 light-years long (image) NASA diagnoses fracture in a 'huge cosmic bone' using X-ray observatory ...

"Astrophysicists capture astonishing images of gamma-ray flare from supermassive black hole M87." ScienceDaily. www.sciencedaily.com / releases / 2024 / 12 / 241213140634.htm (accessed June 11, 2025).

This image of the Helix Nebula, released on March 4, 2025, shows a potentially destructive white dwarf at the nebula's center; this star may have destroyed a planet. This has never been seen ...

NASA's Imaging X-Ray Polarimetry Explorer telescope studied the nebula for about 17 days, the agency said, marking the longest time it has focused on one object.

The Chandra X-ray Observatory marked its 25th anniversary with a release of never-before-seen images. But budget cuts may cause the observatory’s days to be numbered.