NASA’s Fermi Discovers the Most Extreme Blazars Yet

Climate Conditions Determine Amazon Fire Risk–The Threat of ‘Understory’ Fires

'Understory' fires are destroying more of the Amazon rainforest than is being lost through deforestation, NASA scientists have determined.

by David McGee

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NASA’S Fermi Measures Cosmic ‘Fog’ Produced by Ancient Starlight

Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all of the stars that have ever sho...

by David McGee

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A Spasmodic Active Region on the Sun…

Ol' Sol has been putting on a show lately, with a dazzling variety of dozens of spurts and eruptions and an equally dazzling magnetic display known as coronal rain.

by David McGee

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Death by Black Hole in a Small Galaxy?

A bright, long duration flare may be the first recorded event of a black hole destroying a star in a dwarf galaxy. Two independent studies indicate 'death by a black hole.' NASA.gov. reports.

by David McGee

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A ‘Lost Galaxy’ Found, Sun Science Stamps Arrive

A galaxy far, far away, thought 'lost,' has been discovered via the Hubble Telescope. And the Postal Service is issuing a very cool set of Sun Science stamps. You'll never look at the sun the same way again. Well, you shouldn't...

by David McGee

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‘Cry’ of a Shredded Star Heralds a New Era for Testing Relativity

‘This gives us an opportunity to explore the nature of black holes and test Einstein’s relativity at a time when the universe was very different than it is today,’ Last year, astronomers discovered a quiescent...

by David McGee

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Saturn’s Rings in Daylight, On the Night Side

A spectacular view of Saturn's rings as photographed from the planet's nightside by the Cassini spacecraft on the Cassini Solstice Mission.

by David McGee

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First Global Topographic Model of Mercury

NASA’s MESSENGER mission has unveiled the first global Digital Elevation Model (DEM) of Mercury, revealing in stunning detail the topography across the entire innermost planet.

by David McGee

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