A study using the NASA’s Chandra X-ray Observatory and other X-ray telescopes has revealed that "an exploded star can pose ...

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA ...

For more than three decades, the Hubble Space Telescope has been capturing images we never imagined possible, revealing ...

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

Webb traced the light of a dying star, supernova GRB 250314A, from when the universe was only 730 million years old.

The space agency said supernovas typically brighten rapidly over a period of several weeks before they slowly start to dim. This example, however, took months to ...

A distant gamma-ray burst has led astronomers to a rare supernova from the Universe’s early years, revealed by JWST. But why ...

The telescope captured near-infrared light from one of the earliest stars seen to explode in the history of the universe.

An international team of astronomers has, for the first time, successfully probed the early universe. An international group of astronomers has reached a new milestone in studying the early universe.

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.

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) ...