Scientists traced a mysterious surge of low-energy gamma rays from zinc-70 to magnetic changes occurring inside its nucleus.

By analyzing the data from NASA's Fermi gamma-ray space telescope, Chinese astronomers have investigated a recently ...

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

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 ...

Astronomers have identified a supernova remnant beside the well-known Jellyfish Nebula (IC 443), and evidence suggests both ...

A scientific team led by Facility for Rare Isotope Beams, or FRIB, has identified the origin of a mysterious excess of ...

Positrons—the antimatter counterpart of electrons—are created in high-energy cosmic processes. When normal matter meets its ...

More information about a mysterious, energetic burst, formally known as a gamma-ray burst (GRB), spotted in space 13 billion light-years away from Earth, has been unveiled. The first sighting of this ...

CAPE CANAVERAL, Fla. (AP) — Scientists have discovered a gamma ray explosion outside our galaxy that’s not only exceptionally powerful, but also long-lasting. SpaceX scrubs Starship launch attempt ...

China's Large High Altitude Air Shower Observatory, or LHAASO, has spotted the most energetic photons ever recorded from a ...

The Jellyfish Nebula, one of the best-studied supernova remnants in our galaxy, may have been hiding a sibling this whole ...

Thunderstorms host a rich variety of electrical discharges that span time-scales from microseconds to minutes and produce radiation extending from radio waves up to high-energy gamma rays. Intense ...