A lava flow straddling Grindavikurvegur, the road that leads to Grindavík.
The next wearable health metric you'll obsess over may be your brain's actual level of focus.
New research suggests high-severity wildfires are overtaking California's forests and killing some of the world's oldest trees.
El Niño has arrived, and it’s going to be a doozy. Here’s what that means for global food security, according to experts.
Researchers discovered an unusual, nationwide shift when examining GPS records of the Tohoku earthquake.
The first tropical storm of the Atlantic hurricane season appears to be forming over South Texas, raising the risk of dangerous flooding across multiple states.
Photo: Marco di Marco (AP) 
