This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, ...

Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching ...

Astronomers have identified a new kind of cosmic explosion extreme nuclear transients so powerful they outshine typical ...

Ancient supernovas may have blasted Earth with powerful radiation, causing dramatic changes in our climate, and could do so ...

New NASA breakthroughs in space observation reveals black holes firing jets at nearly light speed and ancient cosmic events ...

NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) has captured a stunning view of supernova remnant ...

Supermassive black holes that seem too large to exist in the early universe may have grown from primordial black holes formed ...

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

A team of astronomers have discovered a new type of cosmic explosion known as extreme nuclear transients that exceeds ...

Astronomers have uncovered a bizarre star, ASKAP J1832, that pulses radio waves and X-rays every 44 minutes—thousands of times slower than typical pulsars. This rare object also dims dramatically over ...