Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

Astronomers recorded the longest gamma-ray burst in history, GRB 250702B, that may be a cosmic event completely new to ...

An ultra-fast flash from the galaxy M82 reveals what may have been a rare "extragalactic magnetar giant flare." ...

Gamma-ray burst, GRB 250702B, lasting for a record-breaking seven hours, stunned researchers Researchers have discovered a ...

Some things we see in space appear to outpace light. Now we are learning to harness these bizarre optical illusions to ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

The first fast radio burst, or FRB, was discovered in 2007 in archival data collected back in 2001, and scientists were ...

NASA has awarded Katalyst Space Technologies a $30 million contract to rescue one of the agency’s satellites, Swift. A robotic spacecraft is planned to save the satellite from atmospheric drag and ...

Deep in the core of most galaxies, hidden by spinning clouds of gas and dust, black holes spin like cosmic engines. These ...

On July 2, 2025, NASA's Fermi Gamma-ray Burst Monitor (Fermi-GBM) captured around three hours' worth of signals that appeared ...

Astronomers are trying to understand what caused a series of gamma ray bursts, or GRBs — the most powerful explosions in the universe. These energetic bursts are typically unleashed by the incendiary ...