The first half of 2010 was the hottest six-month period recorded globally with temperatures around the globe 2 to 3 degrees Fahrenheit above averages.
The study of Columbia Glacier shows the first detailed observation of a glacier undergoing a transition from grounded to floating.
The BP oil spill is a unique event, so scientists are converging on the Gulf to try to understand how best to combat deep-sea oil spills and what effects they have on the environment.
NASA discusses trip to Mars to bring back rock and soil samples back to Earth. Here, they could be analyzed for fossilized traces of alien bacteria.
The BP oil spill in the Gulf of Mexico is far different than the Exxon Valdez spill in Alaska. The complex marine environment has currents and eddies that could carry the oil anywhere in the Gulf.
Avid sailor and educator Mary Crowley is recruiting help to clean up the North Pacific Trash Gyre, a 'garbage patch' of plastic and other trash in the middle of the Pacific Ocean.
The magnitude 7.2 Mexico earthquake on Sunday, centered in northern Baja California, did not inflict nearly the damage that the 7.0 earthquake did in Haiti. Credit quake-resistant building standards and, perhaps, the distance of population centers from the epicenters.
A report Tuesday on the latest climate-change research shows emissions rising quickly and ice caps melting faster than projected. The report comes amid a controversy over hacked scientists’ e-mails that some say point to a global warming hoax.