Five hundred feet beneath the ocean's surface, a robotic submarine is bumping into a grove of bone-white coral in the waters off the Channel Islands.
As man-made threats to coral reefs mount, and interest in conserving reef ecosystems grows, scientists have turned to studying extremely remote and uninhabited reefs in an effort to understand what coral reefs would be like ...
U.S. scientists are launching an expedition to study the underwater habitat around the U.S. Virgin Islands as part of a 12-year effort to map and help conserve Caribbean coral reefs.
The slow start to the nation's tornado season came to a violent end Wednesday, when tornadoes raked Tulsa during its evening rush hour, killing one person and injuring others.
With only about two-dozen twisters recorded so far this year during a period when 100 or more are typical, the U.S. appears to be in a tornado drought as cool, stable air prevents the ingredients of the violent storms from ...
The nation's wild Jekyll-Hyde winter will likely dictate what weather worries Americans have this spring.
Federal records show that this winter and the first two months of 2015 were the hottest on record globally, with a chilly U.S. East sticking out like a cold thumb in a toastier world.
More than 1,800 starving sea lion pups have washed up on California beaches since Jan. 1 and 750 are being treated in rescue centers across the state, according to updated numbers released Tuesday by the National Oceanic ...
A pair of solar eruptions over the weekend have unleashed a severe geomagnetic storm that could disrupt power and communications on Earth, US officials said Tuesday.
A new baby orca wasn't the only interesting discovery researchers made while tracking endangered killer whales.