First ever gamma-ray study of gravitational lens conducted

Last Updated: Tuesday, January 7, 2014, 10:18

Astronomers using NASA`s Fermi observatory, has made the first-ever gamma-ray measurements of a gravitational lens - a natural telescope formed when a rare cosmic alignment allows the gravity of a massive object to bend and amplify light from a more distant source.

Earth far from being fried by gamma ray burst, say researchers

Last Updated: Monday, December 16, 2013, 09:50

Researchers have revealed that the chances of Earth being fried by a largest gamma ray burst are exceedingly rare.

Astronomers glimpse infrastructure of Gamma-ray burst jets

Last Updated: Thursday, December 5, 2013, 16:06

Astronomers have used observations from a novel instrument to look at magnetic fields at the heart of gamma-ray bursts, the most energetic explosions in the universe.

Gamma-ray burst breaks record for biggest cosmic explosion

Last Updated: Friday, November 22, 2013, 12:16

Cosmic explosion caused by the death of a star in a distant galaxy became the focus of astronomers around the world after it occurred in April.

NASA`s Fermi Gamma-ray Space Telescope set to study high-energy cosmos

Last Updated: Thursday, August 22, 2013, 12:34

One of Fermi`s most striking results so far was the discovery of giant bubbles extending more than 25,000 light-years above and below the plane of our galaxy.

Mystery behind fireball after gamma ray burst revealed

Last Updated: Sunday, August 4, 2013, 16:13

NASA`s Hubble Space Telescope has discovered that short-duration gamma ray bursts are produced by the merger of two small, super-dense stellar objects.

World`s largest gamma-ray telescope to be built in Russia

Last Updated: Tuesday, July 30, 2013, 15:19

Astrophysicists from the Irkutsk State University here have begun the construction of the world`s largest gamma-ray telescope Tunka-HiSCORE.

Earth`s gold may have originated from colliding dead stars

Last Updated: Thursday, July 18, 2013, 09:46

Unlike elements like carbon or iron, gold cannot be created within a star instead it can only be formed by a cataclysmic event.

Lethal gamma-ray may soon hit Earth

Last Updated: Wednesday, May 29, 2013, 12:22

A lethal gamma-ray burst from a star about 8000 light years away could hit earth and possibly wipe out a quarter of our atmospheric ozone, astronomers have revealed.

NASA`s telescopes capture record-setting gamma-ray burst

Last Updated: Saturday, May 4, 2013, 13:40

Astronomers from around the world were blown away by a record-setting blast of gamma rays from a dying star in a distant galaxy.

Dying supergiant stars behind gamma-ray bursts

Last Updated: Wednesday, April 17, 2013, 12:17

Two international teams of astronomers studying long-lasting gamma-ray bursts (GRBs) have concluded that they likely arose from the catastrophic death of supergiant stars hundreds of times larger than the Sun.