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 ...

NASA has officially halted science observations conducted by its Neil Gehrels Swift Observatory. Don't worry, though. NASA said the Swift team has been tracking increased noise in the gyroscope for a ...

Astronomers have spotted a cosmic explosion of high-energy gamma-rays unlike any ever seen before. The gamma-ray burst (GRB) designated GRB 250702B set itself apart from other explosive bursts of ...

Astronomers utilizing 13 years of data from NASA's Fermi Gamma-ray Space Telescope have made an unexpected and unexplained discovery - a gamma-ray signal outside our galaxy. Presenting their findings ...

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

"Fermi is the most sensitive gamma-ray telescope in orbit, so when it doesn’t detect an expected signal, scientists must explain the absence." When you purchase through links on our site, we may earn ...

March 29 (UPI) --A gamma-ray burst, which lit up our galaxy last October, was the "brightest burst" ever seen and a once-in-10,000-year explosion, according to NASA. Astronomers have been studying the ...

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NASA is preparing to launch the ComPair balloon-borne science instrument from Fort Sumner, New Mexico, to test innovative technologies for detecting gamma rays, the most energetic form of light.

WASHINGTON – A powerful stellar explosion detected March 19 by NASA’s Swift satellite has shattered the record for the most distant object that could be seen with the naked eye. The explosion was a ...

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 ...

While examining a nearby supernova with NASA's Fermi gamma-ray space telescope, an effort meant to discover how these stellar explosions ignite charged particles called cosmic rays, scientists have ...