Gamma-ray
NASA's Fermi Explores High-energy "Space Invaders"
“Fermi's Large Area Telescope is a state-of-the-art gamma-ray detector, but it's also a terrific tool for investigating the high-energy electrons in cosmic…
NASA's Swift Spies Comet Lulin
“We won't be able to send a space probe to Comet Lulin, but Swift is giving us some of the information we would get from just such a mission,” said Jenny…
Most extreme gamma-ray blast ever, seen by Fermi gamma-ray space telescope
The spectacular blast, which also raises new questions about gamma-ray bursts, was discovered by the FGST's Large Area Telescope, a collaboration among NASA,…
Record Cosmic Explosion Brightens Student's First Day
A graduate physics student at The University of Alabama in Huntsville, Goldstein was still learning the ropes the evening of Sept. 16, 2008, nearing the end of…
NASA's Swift, Fermi Probe Fireworks From a Flaring Gamma-Ray Star
“At times, this remarkable object has erupted with more than a hundred flares in as little as 20 minutes,” said Loredana Vetere, who is coordinating the Swift…
XMM-Newton measures speedy spin of rare celestial object
There are just five so-called Soft Gamma-ray Repeaters (SGRs) known, four in the Milky Way and one in our satellite galaxy, the Large Magellanic Cloud. Each is…