Topic: Carnegie Institution for Science
NASA's Messenger craft has been orbiting Mercury for 88 days. Among its findings: a Saturn-like magnetic field, high concentrations of sulfur, and some support for the notion there is water ice in shadowed craters.
06/16/2011 08:00 pm
Mercury had been excluded from the travels of instrument-loaded orbiters because of the difficulty of the mission – until now. On Thursday, the NASA MESSENGER started orbiting the planet.
03/18/2011 02:09 pm
A new energy revolution – similar to shifts from wood to coal to oil – is inevitable as climate change and oil scarcity drive a global search for sustainability in power production. But even the promise of renewable energy holds drawbacks.
11/08/2010 11:54 am
The Kremlin's top meteorologist said that Russia's recent spate of extreme weather and wildfires 'are signs of global warming.' That's not quite right, say climate scientists.
08/16/2010 06:58 pm
Research shows that many areas of today's oceans have conditions that parallel those of 250 million years ago, when 95 percent of marine species quickly died out.
07/29/2010 05:47 pm
A warmer world will have adverse effects on wildlife. We can help save animals, but it will take savvier approaches, scientists say.
11/17/2009 12:00 am
The US will launch the Kepler spacecraft Friday to look for other Earths.
03/05/2009 12:00 am
12/08/2008 12:00 am