New research has shown that there was liquid water on Mars as recently as 200,000 years ago. The results have been published in Icarus ( International Journal for Solar System Studies). "We have discovered a very young crater ...
Space Exploration
Apr 25, 2014
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Using sediments from a remote lake, researchers from Brown University have assembled a 60,000-year record of rainfall in central Indonesia. The analysis reveals important new details about the climate history of a region ...
Earth Sciences
Mar 24, 2014
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Tiny bubbles of water found in quartz grains in Australia may hold the key to understanding what caused the Earth's first ice age, say scientists.
Earth Sciences
Jun 5, 2013
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As ice sheets melted during the deglaciation of the last ice age and global oceans warmed, oceanic oxygen levels decreased and "denitrification" accelerated by 30 to 120 percent, a new international study shows, creating ...
Earth Sciences
Jun 3, 2013
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(Phys.org) —Scientists have found unexpectedly high concentrations of opal, a mineral containing silicate, in marine sediments during the transition periods from ice ages to warm phases. The explanation as to what caused ...
Earth Sciences
Apr 10, 2013
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(Phys.org)—Simon Fraser University earth scientist Diana Allen, a co-author on a new paper about climate changes' impacts on the world's ground water, says climate change may be exacerbating many countries' experience of ...
Environment
Jan 28, 2013
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Glaciers in the tropical Andes have been retreating at increasing rate since the 1970s, scientists write in the most comprehensive review to date of Andean glacier observations. The researchers blame the melting on rising ...
Environment
Jan 22, 2013
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(AP)—Nearly two-thirds of the world's population will live in cities by 2030, with most people middle class, connected by technology, protected by advanced health care and the United States and China perhaps cooperating ...
Other
Dec 10, 2012
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The United States could see its standing as a superpower eroded and Asian economies will outstrip those of North America and Europe combined by 2030, according to the best guess of the U.S. intelligence community in its latest ...
Economics & Business
Dec 10, 2012
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Cosmic impacts that once bombed Mars might have sent temperatures skyrocketing upward on the Red Planet in ancient times, enough to set warming of the surface on a runaway course, researchers say.
Space Exploration
May 24, 2012
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