Causes of California drought linked to climate change
The atmospheric conditions associated with the unprecedented drought currently afflicting California are "very likely" linked to human-caused climate change, Stanford scientists say.
'Space bubbles' may have aided enemy in fatal Afghan battle
In the early morning hours of March 4, 2002, military officers in Bagram, Afghanistan desperately radioed a Chinook helicopter headed for the snowcapped peak of Takur Ghar. On board were 21 men, deployed ...