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NASA’s Fermi, Swift Missions Enable a New Era in Gamma-ray Science

November 21, 2019

A pair of distant explosions discovered by NASA’s Fermi Gamma-ray Space Telescope and Neil Gehrels Swift Observatory have…
Moon Glows Brighter Than Sun in Images From NASA’s Fermi

August 16, 2019

If our eyes could see high-energy radiation called gamma rays, the Moon would appear brighter than the Sun!…
NASA’s Fermi mission reveals record-setting gamma-ray bursts

June 19, 2019

For 10 years, NASA’s Fermi Gamma-ray Space Telescope has scanned the sky for gamma-ray bursts (GRBs), the universe’s most luminous…
NASA’s Fermi Mission Reveals its Highest-energy Gamma-ray Bursts

June 14, 2019

For 10 years, NASA’s Fermi Gamma-ray Space Telescope has scanned the sky for gamma-ray bursts (GRBs), the universe’s…
Argonne takes a lead role in solving dark energy mystery

April 2, 2019

Scheduled to begin its observations of the cosmos in 2021, the Large Synoptic Survey Telescope (LSST) will capture…
NASA’s Fermi Satellite Clocks ‘Cannonball’ Pulsar Speeding Through Space

March 20, 2019

Astronomers found a pulsar hurtling through space at nearly 2.5 million miles an hour — so fast it…
On Sept. 22, 2017, the IceCube Neutrino Observatory at the South Pole, represented in this illustration by strings of sensors under the ice, detected a high-energy neutrino that appeared to come from deep space. NASA's Fermi Gamma-ray Space Telescope (center left) pinpointed the source as a supermassive black hole in a galaxy about 4 billion light-years away. It is the first high-energy neutrino source identified from outside our galaxy. Credits: NASA/Fermi and Aurore Simonnet, Sonoma State University
Multimessenger Links to NASA’s Fermi Mission Show How Luck Favors the Prepared

November 9, 2018

In 2017, NASA’s Fermi Gamma-ray Space Telescope played a pivotal role in two important breakthroughs occurring just five…
NASA’s Fermi Mission Energizes the Sky With Gamma-ray Constellations

October 19, 2018

Long ago, sky watchers linked the brightest stars into patterns reflecting animals, heroes, monsters and even scientific instruments…
NASA’s Fermi Traces Source of Cosmic Neutrino to Monster Black Hole

July 13, 2018

For the first time ever, scientists using NASA’s Fermi Gamma-ray Space Telescope have found the source of a…
NASA’s Hubble Studies Source of Gravitational Waves

October 18, 2017

On Aug. 17, 2017, weak ripples in the fabric of space-time known as gravitational waves washed over Earth.…
NASA Missions Catch First Light from a Gravitational-Wave Event

October 17, 2017

For the first time, NASA scientists have detected light tied to a gravitational-wave event, thanks to two merging…
New Mission Going to the Space Station to Explore Mysteries of ‘Cosmic Rain’

August 12, 2017

A new experiment set for an Aug. 14 launch to the International Space Station will provide an unprecedented…
NASA’s Fermi Catches Gamma-ray Flashes from Tropical Storms

April 25, 2017

About a thousand times a day, thunderstorms fire off fleeting bursts of some of the highest-energy light naturally…
NASA’s Fermi Finds Possible Dark Matter Ties in Andromeda Galaxy

February 22, 2017

NASA’s Fermi Gamma-ray Space Telescope has found a signal at the center of the neighboring Andromeda galaxy that…
NASA’s Fermi Sees Gamma Rays from ‘Hidden’ Solar Flares

February 1, 2017

An international science team says NASA’s Fermi Gamma-ray Space Telescope has observed high-energy light from solar eruptions located…
NASA’s Fermi Discovers the Most Extreme Blazars Yet

January 31, 2017

NASA’s Fermi Gamma-ray Space Telescope has identified the farthest gamma-ray blazars, a type of galaxy whose intense emissions are…
NASA’s Fermi Finds Record-breaking Binary in Galaxy Next Door

September 30, 2016

Using data from NASA’s Fermi Gamma-ray Space Telescope and other facilities, an international team of scientists has found…
NASA’s Fermi Mission Expands its Search for Dark Matter

August 13, 2016

Dark matter, the mysterious substance that constitutes most of the material universe, remains as elusive as ever. Although…
NASA’s Fermi Telescope Helps Link Cosmic Neutrino to Blazar Blast

April 30, 2016

Nearly 10 billion years ago, the black hole at the center of a galaxy known as PKS B1424-418…
NASA’s Fermi Telescope Poised to Pin Down Gravitational Wave Sources

April 19, 2016

On Sept. 14, waves of energy traveling for more than a billion years gently rattled space-time in the…
NASA Celebrates 25 Years of Breakthrough Gamma-ray Science

April 9, 2016

Twenty-five years ago this week, NASA launched the Compton Gamma Ray Observatory, an astronomical satellite that transformed our…
NASA’s Fermi Satellite Kicks Off a Blazar-detecting Bonanza

December 16, 2015

A long time ago in a galaxy half the universe away, a flood of high-energy gamma rays began…
NASA’s Fermi Satellite Detects First Gamma-ray Pulsar in Another Galaxy

November 13, 2015

Researchers using NASA’s Fermi Gamma-ray Space Telescope have discovered the first gamma-ray pulsar in a galaxy other than…
The hunt for dark matter turns to subhalos

June 15, 2015

In addition to teaching us about pulsars, cosmic rays and supermassive black holes, the Fermi Gamma Ray Space…
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