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

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

NASA’s Webb Telescope detects the earliest known supernova, GRB 250314A, 730 million years after the Big Bang, capturing its host galaxy and providing unprecedented early-universe observations.

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

Sarah Dalessi, a fifth-year student in the College of Science at The University of Alabama in Huntsville (UAH), a part of The ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

X-ray space telescopes caught a supermassive blackhole flinging matter into space at a fifth of the speed of light ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

NASA’s James Webb Telescope discovers the oldest supernova ever seen, offering insights into early universe star formation ...

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

The Cassiopeia A supernova remnant reveals that massive exploding stars can forge far more of life's essential ingredients ...