5 Years of Record Warmth Intensify Arctic's Transformation
Sea ice is the thinnest it's been at any time in the last 30 years, and wild reindeer and caribou populations continue to decline
Stories by Jeremy Rehm
Push to Weaken U.S. Endangered Species Act Runs into Roadblocks
Policymakers have tried, unsuccessfully, to change this law for decades
Why Beetles Fly Like Superman
The insects use their legs to initiate turns, confirming something scientists have long suspected
