Lava blocking the main road into Grindavík, seen from the air. The view gives a sense of the flow’s scale.
A new model suggests Yellowstone's underground magma is driven by tectonic forces that shape Earth's crust.
Amid drought and heat waves, April’s national wildfire forecast shows that nearly the entire Western U.S. will face an above-normal risk of wildfires at some point in the next four months.
A trove of robotic floats is bringing our knowledge of the deep sea to new depths.
Brutal thunderstorms and tornado outbreaks have battered much of the nation throughout March, and it looks like this severe weather pattern is here to stay.
A brutal wildfire season is about to put Trump’s Wildland Fire Service to the test, with the safety of millions of Americans on the line.
Scientists uncovered a deep reservoir of freshwater coming in from beneath the saline playa.
Photo: Marco Di Marco ( (AP)) 
