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 ...

The burst seems to have been caused by a highly extraordinary event, but scientists don’t yet know exactly what that could be ...

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 ...

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 ...

Gamma-ray bursts (GRBs) are the most energetic and luminous explosions in the universe. However, they are fleeting and often ...

Arizona-based Katalyst Space Technologies has scored a contract to raise the altitude of NASA's Neil Gehrels Swift ...

In May 1964, Arno Penzias and Robert Wilson were testing how radio waves bounced off balloon satellites developed by Bell ...

NASA is inviting the public to take part in 36 “citizen science” projects that let volunteers contribute to real scientific ...

Swift, launched in 2004 and parked in low-Earth orbit at around 585 km above the planet, is gradually losing altitude due to ...

The observatory’s work is far from trivial. It captures gamma-ray, X-ray, ultraviolet, and optical data in real time, studying black holes, supernovae, neutron stars, and other cosmic phenomena.

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

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 ...