The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

Through the lens of the Hubble and James Webb Space Telescopes, scientists are zeroing in on the Hubble Constant, a vital ...

A light echo is created when a star explodes or erupts, flashing light into surrounding clumps of dust and causing them to shine in an ever-expanding pattern.

JWST revealed a massive star that ended its life in an explosion when the universe was just a cosmic toddler.

Early data of “little red dots,” or LRDs, from the James Webb Space Telescope (JWST) appeared to suggest the presence of ...

NASA's James Webb Space Telescope has provided high-resolution images revealing the 3D structure of interstellar dust and gas ...

"The Hubble tension is now a Hubble crisis." The mystery of the Hubble tension has deepened with the startling finding that ...

The James Webb Space Telescope provides astonishing details about the The Pillars of Creation, celestial structures in the ...

Astronomers have detected fast-repeating radio bursts from a distant "dead" galaxy that should not contain the energy to ...

Scientists have created over a million simulated cosmic images using the power of supercomputers to anticipate the capabilities of NASA’s upcoming Roman Space Telescope. These synthetic images allow ...