Beautifully captured by the James Webb Space Telescope (JWST), this image shows interstellar gas and dust lit up by a dead star in Cassiopeia.

In 1181, a new star shone near the Cassiopeia constellation for six months ... Now known as the supernova SN 1181, its ...

Water may have formed less than 200 million years after the Big Bang, suggesting some conditions for life existed far earlier than previously thought.

NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) detected the magnetic field streamlines shown over this image of the Keyhole Nebula, part of the larger Carina Nebula, captued by the ...

The NIRCam image displayed the inner shell of Cas A in hues, representing gas knots rich in elements like sulfur, oxygen, argon, and neon Contributions to new stars and planetary systems Debris ...