Have you ever wondered why moose in Alaska are larger than their southern relatives? Have you considered why many Arctic mammals appear bulkier than species living closer to the equator? There’s a ...

The story of life’s beginnings gets stranger when you look closely at viruses. These tiny entities seem to sit at the edge of ...

City birds are changing fast. Their wings are getting shorter and rounder to navigate busy streets and buildings. Beaks are also adapting to urban food sources. These rapid evolutionary shifts show ...

Why does a Caribbean angelfish sometimes resemble its Indo-Pacific cousin, even though they have never lived in the same ocean? Why do coral reefs harbor such a wide range of stripes, spots and ...

New research shows oceans warming to depths of 2,000 metres, human-driven land subsidence intensifying sea level risks in ...

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

A new synthesis published in Nature Reviews Earth and Environment finds that coral reefs transition to net erosion under all emissions scenarios, even low-to-moderate ones, but that the spread of heat ...

When someone tells you they’re taking you to see art in a tunnel, you might picture a sad subway station with a single faded poster, but Atlanta’s Krog Street Tunnel is basically what would happen if ...

President Trump provided conflicting messages about when the U.S. and Israel's war with Iran will end. And, NPR investigates how late convicted sex offender Jeffrey Epstein leveraged ties with ...