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

A study using the NASA’s Chandra X-ray Observatory and other X-ray telescopes has revealed that "an exploded star can pose ...

The erupting magnetar observed by IXPE is known as 1E 1841-045, a neutron star located around 28,000 light-years from Earth ...

Astronomers at the University of Hawaii uncovered black hole events so packed with energy, they were the biggest explosions ...

Astronomers captured the universe’s brightest, longest-lasting stellar explosions, where massive stars are torn apart by ...

What happens when the universe's most magnetic object shines with the power of 1000 suns in a matter of seconds? Thanks to ...

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

In the heart of distant galaxies, astronomers have witnessed the most violent stellar death throes ever recorded.

Twenty-five times more powerful than the most energetic supernova ever observed, Gaia18cdj easily outshone every star in its host galaxy.

One of the ENTs studied in this work, named Gaia18cdj, released 25 times more energy than the most powerful supernova on ...

Aside from being the most powerful known explosions in the universe, ENTs can help astronomers learn more about monster black holes in faraway galaxies. That's because the incredible brightness of ...

Scientists have discovered the most powerful blasts of energy in the known universe. Dubbed extreme nuclear transients, or ...