For the first time, astronomers have spotted a star that exploded not once, but twice. A new image of a roughly 300-year-old supernova provides visual evidence that some dying stars undergo a double ...

In October 1604, astronomer and mathematician Johannes Kepler spotted a new star in the sky and began tracking it. Over the course of several weeks, the star remained visible in the daytime and ...

Stars often die with a final burst of beauty. For the first time, astronomers have captured visual proof that a star can ...

Very massive stars (VMSs) have had a massive impact on the formation of our universe. However, there aren't very many of them ...

Low-mass stars like our Sun expel their outer layers as a planetary nebula because of what is going on in the star’s core as it ages.

Named GW 231123 after the date it was recorded on 23 November 2023, it's the most massive black hole collision we've seen yet, resulting in an object heavier than 225 Suns. Previously, the most ...

There’s a chance we could see a white dwarf star explosion this year. T Coronae Borealis, a binary star system and recurrent nova located roughly 3,000 light-years from Earth, is expected to erupt ...

If black holes weren't terrifying enough, two especially large ones are merging together, experts have discovered.

New gravitational wave findings from the LIGO-Virgo-KAGRA Collaboration report the discovery of the largest black hole merger ...

Astronomers have traced a mysterious blast of X-rays to a star that, like a cosmic action hero, just refused to die.

Scientists predict one of the major surveys by NASA's upcoming Nancy Grace Roman Space Telescope may reveal around 100,000 ...

In the first study of its kind, researchers led by Keiya Hirashima at the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences ...