First tally of US-Russia polar bears finds a healthy population

Seismic study reveals huge amount of water dragged into Earth's interior

Deepwater Horizon oil spill's dramatic effect on stingrays' sensory abilities

Arctic sea ice: Simulation versus observation

Rising sea levels may build, rather than destroy, coral reef islands

Business as usual for Antarctic krill despite ocean acidification

Alpine ice shows three-fold increase in atmospheric iodine

Plastic microfibers found for first time in wild animals' stool, from S. A. fur seals

Beaches at risk due to the increase in atmospheric CO2

Study tracks severe bleaching events on a Pacific coral reef over past century