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

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

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

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

The JetBlue flight was headed from Cancun to Newark on Oct. 30, when it fell out of the sky for no apparent reason in a ...

XRISM’s high-precision X-ray data revealed unusually strong signatures of chlorine and potassium inside the Cassiopeia A supernova remnant. These levels are far higher than theoretical models ...

In an exciting new study published in Nature Astronomy, astronomers have unveiled unexpected findings from the XRISM ...

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

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 ...

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using ...

Scientists studying samples from the Bennu asteroid located not too far from Earth continue to find clues as to how life ...

For years, scientists thought they understand what happens when stars explode. New earliest-ever mages of supernova events ...