Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.

Rising temperatures in the North Atlantic are slowing vital currents, but a new process in the Arctic could save the day, scientists say.

New research suggests that the makeup of space ice might be quite a bit different than we previously believed.

ICE agents attempted to question a group of middle and high school-aged U.S. citizens about their immigration status.

WASP-121b is unlike anything in our Solar System. This giant planet orbits its star so closely that it completes a full orbit in just 30.5 hours. Its dayside reaches a scorching 3000°C, while the ...

The remains of landscapes thought to have formed when ancient rivers flowed across East Antarctica have been discovered—and ...