A Rutgers astrophysicist is helping to solve a cosmic puzzle that has astronomers scratching their heads. The mystery centers ...

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 ...

Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

A major new study lays out plans for crewed missions to Mars, with the search for extraterrestrial life being a top priority ...

NASA has finished building the Nancy Grace Roman Space Telescope, completing assembly of the agency’s next flagship ...

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

As Gen Alpha’s attention drifts from TV and movies, video creators like Alan Chikin Chow are eager to fill the void.

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

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

Aliens might be transmitting communications signals to each other across exoplanets, some astronomers think. Since these ...