
NASA astronomers have set up a monitoring station to scan the night sky for unknown or unexpected meteor showers--and they're finding more than they bargained for.
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A surge of new-cycle sunspots in October may signal the beginning of the end of the ongoing solar minimum.
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Researchers have discovered 'magnetic portals' forming high above Earth that can briefly connect our planet to the Sun. Not only are the portals common, one space physicist contends they form twice as often as anyone had previously imagined.
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The planets are gathering for spooky sunset sky show on Oct. 31st. Read today's story to find out where to look.
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Gamma-ray bursts are by far the brightest and most powerful explosions in the Universe, second only to the Big Bang itself. So it might seem a bit surprising that a group of them has gone missing.
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Cosmic explosions known as gamma-ray bursts are curiously picky about where they explode. Shunning spiral galaxies like the Milky Way, gamma-ray bursts prefer to 'go off' in oddball star systems that astronomers are just beginning to understand.
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A curiously short-lived type of gamma-ray burst has astronomers puzzled. Leading experts discuss the clues at today's Gamma-ray Burst Symposium in Huntsville, Alabama.
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NASA's Fermi Gamma-ray Space Telescope has discovered a new kind of pulsar that hints at a previously unsuspected population of stars waiting to be found in the Milky Way.
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More than four decades after they were discovered, gamma-ray bursts continue to mystify astrophysicists. Next week, experts from 25 countries will converge on Huntsville, Alabama, to discuss and debate clues to the biggest explosions since the Big Bang itself.
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