A faint, tiny flash of red light glimpsed at the Cosmic Dawn more than 13 billion years ago has smashed the record for the ...

"This observation also demonstrates that we can use Webb to find individual stars when the universe was only 5% of its ...

The bright binary star system V Sagittae will flare up multiple times before finally going supernova within the next 100 ...

The James Webb Space Telescope and other international observatories have spotted a 13-billion-year-old supernova. On Tuesday ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

When a massive star dies, astronomers expect a familiar chemical script: hydrogen and helium on the outside, heavier elements ...

An international team of astronomers has investigated a short-lived optical flare designated AT2022zod. As a result, they found evidence indicating that this flare is an unusual tidal disruption event ...

An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just ...

Astronomers watched as a black hole whipped up cosmic winds that shot material into space at 37,280 miles per second (60,000 ...

Black holes, born from dying stars, are cosmic giants that grow by consuming matter and merging with others. While invisible ...

NASA and JAXA’s XRISM mission detected chlorine and potassium in Cassiopeia A, revealing how supernovae forge life-essential ...