Negotiations over a U.N. treaty to cut plastics have been bogged down. Environmental groups blame the oil and gas industry.

New Zealand is a whale stranding hotspot. It's often not clear why they happen but the island nation's geography is believed ...

The Foldscope brings a powerful science tool to schools that can't afford microscopes. Scientists use it too. Its creators ...

NPR's Ayesha Rascoe speaks to Sebastian Korb, a senior lecturer in psychology at the University of Essex, about a new study showing that even forcing a smile can improve a person's mood.

About 40% of dementia cases could be prevented or delayed by healthy lifestyle choices and preventive medicine. Here's a tool ...