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

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

New high-resolution images show that novae are anything but simple stellar fireworks. One exploded with multiple gas streams ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.

CAPE CANAVERAL, Fla. — NASA launched a telescope Wednesday to scout out elusive, super high-energy gamma rays lurking in the universe. Glast — a NASA acronym standing for Gamma-ray Large Area Space ...

This artist’s illustration, which shows a high-speed jet of material being launched from a source that is embedded in a very dusty galaxy, depicts GRB 250702B — the longest gamma-ray burst that ...

The universe is packed with riddles, but few are as stubborn or as fascinating as dark matter. First proposed in 1933 by astronomer Fritz Zwicky, this elusive substance refuses to play by the rules: ...

Astronomers have captured images of two stellar explosions—known as novae—within days of their eruption and in unprecedented detail. The breakthrough provides direct evidence that these explosions are ...

NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA explains. Credit: NASA Goddard Space Flight Center ...