Chandra sees brightest supernova ever
May 07, 2007 |
4.7 / 5 (72) |
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The brightest stellar explosion ever recorded may be a long-sought new type of supernova, according to observations by NASA's Chandra X-ray Observatory and ground-based optical telescopes. This discovery indicates ...
Researchers identify a 'heartbeat' in Earth's climate
Space & Earth / Earth Sciences
Dec 21, 2006 |
4.1 / 5 (82) |
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A few years ago, an international team of researchers went to the middle of the Pacific Ocean and drilled down five kilometers below sea level in an effort to uncover secrets about the earth's climate history. ...
Movement of North Magnetic Pole is accelerating
Dec 09, 2005 |
4.6 / 5 (74) |
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After some 400 years of relative stability, Earth's North Magnetic Pole has moved nearly 1,100 kilometers out into the Arctic Ocean during the last century and at its present rate could move from northern Canada ...
Negative Vibes From Space
Dec 01, 2006 |
4.5 / 5 (75) |
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Astronomers have discovered the first negatively charged molecule in space, identifying it from radio signals that were a mystery until now. While about 130 neutral and 14 positively charged molecules are known ...
EPA finds greenhouse gases pose a danger to health
Apr 17, 2009 |
4.5 / 5 (75) |
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(AP) -- The Environmental Protection Agency concluded Friday that greenhouse gases linked to climate change "endanger public health and welfare," setting the stage for regulating them under federal clean air laws.
Collapse of the ice bridge supporting Wilkins Ice Shelf appears imminent
Space & Earth / Earth Sciences
Apr 03, 2009 |
4.5 / 5 (74) |
14
(PhysOrg.com) -- The Wilkins Ice Shelf is at risk of partly breaking away from the Antarctic Peninsula as the ice bridge that connects it to Charcot and Latady Islands looks set to collapse. The beginning ...
Chandra sees remarkable eclipse of black hole
Apr 12, 2007 |
4.4 / 5 (75) |
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A remarkable eclipse of a supermassive black hole and the hot gas disk around it has been observed with NASA's Chandra X-ray Observatory. This eclipse has allowed two key predictions about the effects of supermassive ...
The Case for Habitable Exoplanet Moons
Apr 27, 2006 |
4.5 / 5 (73) |
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As scientists refine their methods, exoplanets are becoming easier and easier to detect. The current count is 163 planets orbiting 97 main-sequence stars, of which only one is even remotely Earth-like. All ...
XMM-Newton discovers part of missing matter in the universe
May 06, 2008 |
4.6 / 5 (72) |
3
ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.
Stealth sharks may patrol the world's seas
Mar 02, 2006 |
4.5 / 5 (73) |
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Several groups around the world have gained approval to develop implants that can monitor and control the behavior of a wide range of animals.
Yellowstone's Quiet Power
Space & Earth / Earth Sciences
Mar 01, 2007 |
4.7 / 5 (70) |
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A 17-year University of Utah study of ground movements shows that the power of the huge volcanic hotspot beneath Yellowstone National Park is much greater than previously thought during times when the giant ...
Scientists Find Black Hole's 'Point of No Return'
Jan 09, 2006 |
4.5 / 5 (72) |
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By a score of 135 to zero, scientists using NASA's Rossi X-ray Timing Explorer have compared suspected neutron stars and black holes and found that the black holes behaved as if each one has an event horizon, ...
Models show one nearby star system could host Earth-like planet
Jul 24, 2006 |
4 / 5 (81) |
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The steady discovery of giant planets orbiting stars other than our sun has heightened speculation that there could be Earth-type worlds in nearby planetary systems capable of sustaining life. Now researchers running computer ...
Spinning Black Hole Pushes the Limit
Nov 20, 2006 |
4.7 / 5 (69) |
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The existence of black holes is perhaps the most fascinating prediction of Einstein's General Theory of Relativity. When any mass, such as a star, becomes more compact than a certain limit, its own gravity ...
A Giant Trilobite on the Sun
Space & Earth / Space Exploration
Sep 19, 2007 |
3.9 / 5 (83) |
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"We've never seen anything quite like it," says solar physicist Lika Guhathakurta from NASA headquarters.
