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

What can imaging supernovae (plural for supernova) explosions teach astronomers about their behavior and physical ...

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 ...

The winners were named Friday, Dec. 5, for the 11th annual Parrish Healthcare Stars of Space Coast Awards to honor “stellar work” in helping residents.

Some of the elements used by living systems are far more abundant in Cassiopeia A than we thought, hinting that some parts of our galaxy might be more suitable for life than others ...

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

Berkeley and elsewhere have performed spectroscopic and photometric study of a peculiar supernova designated SN 2021ukt, ...

Scientists have found an "extreme" solution to the mysterious origins of critical life-supporting elements chlorine and potassium.

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

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 ...