Dry ice lake suggests Mars once had a 'Dust Bowl' (Update)

(PhysOrg.com) -- NASA's Mars Reconnaissance Orbiter has discovered the total amount of atmosphere on Mars changes dramatically as the tilt of the planet's axis varies. This process can affect the stability of liquid water, ...

Sunspots could soon disappear for decades: study

(PhysOrg.com) -- Sunspot formation is triggered by a magnetic field, which scientists say is steadily declining. They predict that by 2016 there may be no remaining sunspots, and the sun may stay spotless for several decades. ...

New theory of why midcontinent faults produce earthquakes

A new theory developed at Purdue University may solve the mystery of why the New Madrid fault, which lies in the middle of the continent and not along a tectonic plate boundary, produces large earthquakes such as the ones ...

Drilling Down into Mars

(PhysOrg.com) -- NASA's Phoenix lander revealed water ice mere inches beneath the martian surface, and chemical evidence from the landing site strongly hints that the region is habitable. But learning whether there is life ...

NASA Study Finds Atlantic 'Conveyor Belt' Not Slowing

(PhysOrg.com) -- New NASA measurements of the Atlantic Meridional Overturning Circulation, part of the global ocean conveyor belt that helps regulate climate around the North Atlantic, show no significant slowing over the ...

Scientists Discover Pentagonal Ice

(PhysOrg.com) -- Scientists at the University of Liverpool have discovered a five-sided ice chain structure that could be used to modify future weather patterns.

It's raining pentagons

This week's Nature Materials (09 March 2009) reveals how an international team of scientists led by researchers at the London Centre for Nanotechnology (LCN) at UCL have discovered a novel one dimensional ice chain structure ...

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