(Phys.org)—Radar images from NASA's Cassini spacecraft reveal some new curiosities on the surface of Saturn's mysterious moon Titan, including a nearly circular feature that resembles a giant hot cross ...
Oct 16, 2012
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(Phys.org)—High-pressure systems over oceans, which largely determine the tracks of tropical cyclones and hydrological extremes in much of the northern hemisphere, are likely to intensify this century, according to a Duke ...
Oct 05, 2012
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A palm-sized Japanese satellite in orbit around Earth will flash a Morse code message that will be visible around the world from next month, the mission commander said Friday.
Oct 05, 2012
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Dramatic shifts in the planet's climate and geography over millions of years changed the course of evolutionary history for conifer trees, according to a Yale paper in the Proceedings of the National Academy of Sciences.
Oct 04, 2012
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(Phys.org)—Summers on the Norwegian archipelago of Svalbard are now warmer than at any other time in the last 1,800 years, including during medieval times when parts of the northern hemisphere were as hot ...
Sep 28, 2012
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(Phys.org)—NASA's Dawn mission is releasing two parting views of the giant asteroid Vesta, using images that were among the last taken by the spacecraft as it departed its companion for the last year.
Sep 11, 2012
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(Phys.org) -- Human civilization arose during the relatively balmy climate of the last 10,000 years. Even so, evidence is accumulating that at least two cold spells gripped the northern hemisphere during this ...
Aug 06, 2012
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(Phys.org) -- Tree ring and oxygen isotope data from the U.S. Pacific Northwest do not provide the same information on past precipitation, but rather than causing a problem, the differing results are a good ...
Jul 02, 2012
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(Phys.org) -- A new video from NASA's Dawn mission reveals the dappled, variegated surface of the giant asteroid Vesta. The animation drapes high-resolution false color images over a 3-D model of the Vesta ...
Jun 07, 2012
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Until now, studies of Earth's climate have documented a strong correlation between global climate and atmospheric carbon dioxide; that is, during warm periods, high concentrations of CO2 persist, while cold ...
Jun 06, 2012
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(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect ...
Jun 06, 2012
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In the late eighth century, Earth was hit by a mystery blast of cosmic rays, according to a Japanese study that found a relic of the powerful event in cedar trees.
Jun 04, 2012
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Black carbon aerosols and tropospheric ozone, both manmade pollutants emitted predominantly in the Northern Hemisphere's low- to mid-latitudes, are most likely pushing the boundary of the tropics further polew ...
May 16, 2012
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The warming climate is altering the saltiness of the world's oceans, and the computer models scientists have been using to measure the effects are underestimating changes to the global water cycle, a group ...
Apr 27, 2012
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Water may have played a role in forming plains of volcanic glass that spread across nearly a third of Mars. The discovery of this volcanic glass could steer scientists toward subglacial lakes where martian ...
Apr 26, 2012
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