Astronomers believe they have found a rare, massive flare that erupted from an extremely magnetic dead star, or magnetar, that was bright enough to illuminate an entire galaxy. If true, the discovery ...

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

An orbiting star begins to eclipse its partner, a rapidly rotating, superdense stellar remnant called a pulsar, in this illustration. The pulsar emits multiwavelength beams of light that rotate in and ...

Watch a cosmic gamma-ray fireworks show in this animation using just a year of data from the Large Area Telescope (LAT) aboard NASA’s Fermi Gamma-ray Space Telescope. NASA's Marshall Space Flight ...

Add Yahoo as a preferred source to see more of our stories on Google. A deep purple spiral galaxy is seen head-on, and a small bright dot toward the top of this spiral has been highlighted and circled ...

"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 ...

A giant explosion that lit up the sky didn't just rock the cosmos – it absolutely rattled our understanding of the Universe's most powerful outbursts. The gamma-ray burst (GRB) recorded on 2 July 2025 ...

"They allow us to see back to the earliest times that stars existed." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Scientists may be a step ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

NASA supercomputer simulations reveal X-ray and gamma-ray signals emitted in the final milliseconds before neutron star mergers, providing insights for future observatories and gravitational-wave ...

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

The study of gamma-ray emission from globular clusters (GCs) and their resident millisecond pulsars (MSPs) presents a compelling window into high-energy astrophysics. GCs are densely populated, ...