WEST LAFAYETTE, Ind. — New images from the James Webb Space Telescope that show intricate details of a supernova remnant called Cassiopeia A, a shimmering interstellar structure already under analysis ...

Astronomers have captured the sharpest image yet of the debris field of the Milky Way's most recent known supernova. Cassiopeia A, the remnants of a stellar explosion that appeared in Earth’s skies ...

The James Webb Space Telescope captured never-before-seen colorful detail in one of the best-observed remnants of an exploded star. The glowing gas and dust of Cassiopeia A is all that remains of a ...

Researchers observed a supernova in progress that showed the onion-like structure of elements in stars, and the explosion may ...

The supernova remnant is located in the Large Magellanic Cloud, a Milky Way satellite galaxy, and hides a rapidly spinning neutron star. When you purchase through links on our site, we may earn an ...

An image from NASA's Chandra X-ray observatory shows a glowing hand stretching across the cosmos with its palm and fingers sculpted from the wreckage of a massive stellar explosion.

The Chandra X-ray Observatory turns 25 next month, and to celebrate, NASA is bringing some of its most intriguing landmarks into your home. Using augmented reality-equipped Instagram filters, everyday ...

The James Webb Space Telescope has spied colorful, never-before-seen details in one of the most well-observed remnants of an exploded star. The glowing gas and dust of Cassiopeia A is all that remains ...