NASA's Goddard Space Flight Center

2014 Antarctic ozone hole holds steady

The Antarctic ozone hole reached its annual peak size on Sept. 11, according to scientists from NASA and the National Oceanic and Atmospheric Administration (NOAA). The size of this year's hole was 24.1 million square kilometers ...

dateOct 30, 2014 in Earth Sciences
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Large coronal hole near the sun's north pole

The European Space Agency/NASA Solar and Heliospheric Observatory, or SOHO, captured this image of a gigantic coronal hole hovering over the sun's north pole on July 18, 2013, at 9:06 a.m. EDT. Coronal holes are dark, low ...

dateJul 20, 2013 in Space Exploration
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Hubble observes one-of-a-kind star nicknamed 'Nasty'

Astronomers using NASA's Hubble Space Telescope have uncovered surprising new clues about a hefty, rapidly aging star whose behavior has never been seen before in our Milky Way galaxy. In fact, the star is so weird that astronomers ...

dateMay 21, 2015 in Astronomy
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Fermi telescope finds gamma-ray galaxy surprises

Back in June 1991, just before the launch of NASA's Compton Gamma-Ray Observatory, astronomers knew of gamma rays from exactly one galaxy beyond our own. To their surprise and delight, the satellite captured similar emissions ...

dateJul 14, 2009 in Astronomy
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