Seabird blood reveals a global map of ocean mercury pollution, with higher levels in key regions raising concerns.

Blacken had no face-to-face contact for more than two months.

If the Atlantic Meridional Overturning Circulation shut down, the knock-on effects could release hundreds of billions of ...

A dangerous super typhoon in the Pacific Ocean is barreling toward a group of remote U.S. islands. Super Typhoon Sinlaku is ...

It rapidly intensified to Category 5 status last weekend. Now it's headed for a strike north of Guam. Here's our latest ...