Handing peanuts to a squirrel in a city park may...

Science often reveals new ideas in calm and hidden parts...

Dogs already comfort us with their warmth and steady companionship....

This December brings one final light in the night sky...

Every human body is built from eukaryotic cells, which have...

Plants do more than photosynthesize - some of them make...

Geneticists have long wondered why Andean highlanders show no strong...

Earth’s glaciers are not steady rivers of ice. They surge,...

Growing concern in global health circles often focuses on sudden...

Public-health decisions sometimes create natural experiments that reveal things no...

Urban rivers, lakes, wetlands, and canals aren’t just scenery -...