From sea ice to ocean currents, Antarctica is now undergoing abrupt changes — and they are likely to significantly intensify ...

Perchlorates, a group of toxic chemicals that pollute groundwater, first form on rare particles in the stratosphere, ...

Fossil spore and pollen data reveal our early ancestors evolved in cold, dry environments, with some even colonizing Arctic regions.

New data from the James Webb telescope suggests that Bennu and Ryugu — two asteroids recently visited by sample-return ...

People with Indigenous American ancestry carry Denisovan genes that Neanderthals passed on when they mated with modern humans ...