A rare bright comet shows up in the northern hemisphere this week, cruising past Earth with promise of spectacular naked-eye viewings of the giant ball of ice and dust streaking the twilight sky with a blazing tail.
Space Exploration
Mar 6, 2013
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Vega, a star astronomers have used as a touchstone to measure other stars' brightness for thousands of years, may be more than 200 million years older than previously thought. That's according to new findings from the University ...
Astronomy
Dec 11, 2012
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(Phys.org)—Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun ...
Space Exploration
Nov 6, 2012
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(Phys.org) -- A University of Iowa researcher wants you to visualize a plate of spaghetti when you think of the northern lights.
Space Exploration
Jun 1, 2012
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(PhysOrg.com) -- With the full sky shimmering in green aurora, Saturday night (Feb. 18, 2012) a team of scientists, including space physicist Marc Lessard and graduate students from the University of New Hampshire's Space ...
Space Exploration
Feb 20, 2012
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A storm from the broiling sun turned the chilly northernmost skies of Earth into an ever-changing and awe-provoking art show of northern lights on Tuesday.
Space Exploration
Jan 25, 2012
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With the click of a computer mouse, a scientist at the U.S. Department of Energy's Princeton Plasma Physics Laboratory (PPPL) sends 10,000 volts of electricity into a chamber filled with hydrogen gas. The charge heats the ...
Plasma Physics
Oct 25, 2011
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(PhysOrg.com) -- In Sept. 1859, on the eve of a below-average1 solar cycle, the sun unleashed one of the most powerful storms in centuries. The underlying flare was so unusual, researchers still aren't sure how to categorize ...
Space Exploration
Jun 22, 2011
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The Northern Lights have petered out during the second half of this decade, becoming rarer than at any other time in more than a century, the Finnish Meteorological Institute said Tuesday.
Earth Sciences
Sep 28, 2010
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Skywatchers can turn their gaze to a computer for a glimpse of the northern lights: the Canadian Space Agency on Monday launched an online observatory streaming the aurora borealis live over the Internet.
Space Exploration
Sep 20, 2010
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