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Serious algae outbreaks have hit more than 20 states this summer. Algae blooms aren't unusual. But the frequency, size and toxicity now are worse than ever, and changes in climate are partly to blame.

When scientists revved up the production of an enzyme called GPLD1 in older mice, it stimulated nerve growth in their brains and the animals navigated a maze better.

Among Native Americans, asthma rates are high, and those with asthma end up in clinics more often, miss more school and work, and are more likely to die from the condition, according to the CDC.

Thousands filled the streets of the Serbian capital Belgrade on Saturday to protest plans to mine one of Europe’s largest deposits of lithium. Lithium is a crucial material for electric car batteries.

The death toll in a fire that engulfed an apartment block in the Spanish city of Valencia rose Friday to nine. One person remained missing, according to forensic police.

Gunmen attacked several religious sites in the region of Dagestan. A majority Muslim area, it is home to a diverse group of ethnicities and religious faiths, but no stranger to Islamic extremism.

The Pentagon disciplined 16 military personnel in connection to October's airstrikes on a civilian-run hospital. Tom Bowman talks to Steve Inskeep about whether incidents like these can be prevented.

Indigenous and Black people tell their own seafaring stories at Mystique Seaport Museum

It's menstrual hygiene. The topic makes many folks uncomfortable. Yet in the developing world, it's a problem that keeps girls from going to school and playing sports. Now things are changing.

Little Brothers, which operates in San Francisco and several other cities, sends volunteers to brighten up the lives of isolated elderly people, helping them reduce the risk of serious illness.