The Milky Way, our home galaxy, is part of a different supercluster called Laniakea, which, at 500 million light-years wide, ...

The earth's atmosphere blocks most gamma rays from space, so gamma-ray astronomy was not possible until astronomers put gamma-ray detecting telescopes into space. Astronomers were at first ...

Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a ...

Physicists propose that high-energy photon jets from collapsing stars may be secret factories of heavy elements like plutonium, challenging traditional theories and possibly explaining strange cosmic ...

According to our best understanding, the universe should be homogeneous at large scales. This means that it's ok to have ...

Challenges and Opportunities in Gamma Ray Astronomy Gamma-ray astronomy presents both challenges and opportunities for scientists. The high energy and penetrating nature of gamma rays make them ...

The origin and the central engine of GRBs have long been pending for identification. Now a joint observation by LEIA and GECAM gives new clues.

John Grunsfeld has a model of the Hubble Space Telescope on his bookshelf. It's right next to a model of a NASA space shuttle ...

"Gamma-ray bursts can be seen at incredibly large ... journalist in the U.K. who specializes in science, space, physics, astronomy, astrophysics, cosmology, quantum mechanics and technology.

Gamma-ray bursts (GRBs) are the most energetic events ever observed in the universe. These powerful outbursts can shine a quintillion (1018) times brighter than the sun. Since they were first ...