Few things in space are as bright as a supernova, but recently astronomer captured a flash out in the cosmos so great their ...

Today in the history of astronomy, satellites Vela 3 and 4 make the first detection of gamma-ray bursts.

The satellite spotted a mysterious 150-second X-ray flare, named EP240414a, from a dying star 4 billion light-years away.

SiliconRepublic.com visited the EIRSAT-1 mission control at University College Dublin, just weeks before the project comes to ...

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark ...

Scientists have developed the longest and most complex simulation to date of a binary neutron star collision that results in the formation of a black hole and a jet. The breakthrough will massively ...

For years, astronomers puzzled over the mystery of where the heaviest elements in the universe—like gold, uranium, and platinum—come from. Scientists understood that these elements had to form under ...

Caltech simulations reveal what happens when black holes collide with neutron stars—violent cracking, intense shock waves, ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Using NASA's Chandra spacecraft and ESA's XMM-Newton satellite, astronomers have investigated the galaxy NGC 7793, searching for supernova remnants (SNRs). As a result, they discovered four new X ...

The team behind the Rubin Observatory just couldn't resist waiting until morning to share the first pictures from the world's ...