Astronomers have observed the longest-lasting central engine activity ever recorded from a gamma-ray burst. The burst ...

A cosmic explosion detected on July 4, 2025, began with a 0.4-second gamma-ray burst and then continued glowing in softer ...

Add Yahoo as a preferred source to see more of our stories on Google. The orange dot at the center of this image represents a powerful explosion that repeated several times over one day. - A. Levan, A ...

An international team of astronomers, including researchers from the Department of Physics and the Hong Kong Institute for ...

Among its other notable achievements and puzzles, the James Webb Space Telescope (JWST) has found a larger number of bright galaxies in the distant universe than was expected. While scientists are ...

On July 4, 2025, astronomers watched a cosmic explosion do something it was not supposed to do. The event began with a ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film version of ...

Cambridge, MA – Gamma-ray bursts are the most powerful explosions in the universe, emitting huge amounts of high-energy radiation. For decades their origin was a mystery. Scientists now believe they ...

Einstein Probe avoids that delay by monitoring a wide area of the sky at soft X-ray energies. On July 4, 2025, the ...

Scientists have detected an incredibly powerful burst of gamma radiation that repeated several times over a single day … and they can’t quite explain it. EarthSky’s Will Triggs has the story in this ...

Down here at the bottom of our ocean of air, it’s easy to get complacent about the hazards our universe presents. We feel safe from the dangers of the vacuum of space, where radiation sizzles and ...

Astronomers have solved the mystery of why nearly two-thirds of all gamma-ray bursts, the most powerful explosions in the Universe, seem to leave no trace or afterglow: In some cases, they just ...