Artist's impression of a supernova. By ESO/M. Kornmesser/Wikimedia Commons, CC BY It has been considered by some that global cooling in the Plio-Pleistocene might have been due to changes in ocean ...

James Webb has spotted the most distant supernova ever seen, exploding just 730 million years after the Big Bang, offering ...

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun ...

NASA is celebrating the holiday season with photographs of the remnants of a supernova star captured by the James Webb Space Telescope. The star, named Cassiopeia A (Cas A), shines brightly from ...

Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study detailing the ...

Supernova 1987A – located in a neighbouring dwarf galaxy – has been observed for more than three decades. Astronomers have found strong evidence of a neutron star in the remnants of an exploding star ...

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

A NEARBY star is about to reach supernova, which may finally make it visible to the naked eye. This is a once-in-a-lifetime event, according to Nasa, as this reoccurring nova outburst only happens ...

Few stars have rattled astronomers quite like Betelgeuse, the swollen red beacon in Orion that dimmed so dramatically in ...

16:12, Thu, Aug 21, 2025 Updated: 16:14, Thu, Aug 21, 2025 Scientists have for the first time seen the inside of a dying star during its explosive death, providing an unprecedented glimpse into how ...

Astronomers have found strong evidence of a neutron star in the remnants of an exploding star (Nasa/Esa/CSA/M Matsuura [Cardiff University]/R Arendt [Nasa’s Goddard Spaceflight Centre and University ...