Portal Space Systems will create a second factory to scale up production of high-performance in-space vehicles as it gears up ...

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

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

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

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

Redditors are shocked after seeing how the Hubble Space Telescope captured 'light echoes' after a star went supernova ...

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 ...

A study using the NASA’s Chandra X-ray Observatory and other X-ray telescopes has revealed that "an exploded star can pose more risks to nearby planets than previously thought." The Chandra team ...

“I consider her a supernova,” celebrity hairstylist Dougie Freeman, who likened his one-time employee to the phenomenon ...

Behind this galaxy’s calm facade lies the fingerprint of a long-dead giant star. A violent supernova once rocked its ...

Scientists have identified a new class of cosmic explosions, dubbed 'extreme nuclear transients' (ENTs), that represent the ...