The unlikely, critical element for longleaf survival
June 28, 2011, 4:26 p.m. by Stacy Shelton
Longleaf pine forests, which have dwindled for years, are being restored in Georgia. The unexpected secret to their success? Fire.
How red knots and horseshoe crabs can help you understand why climate change matters
December 21, 2009, 6:13 p.m. by Stacy Shelton
Red knots feast on horseshoe crab eggs in Delaware Bay before flying 10,000 miles. But spawning and migration don't always sync up.
The world's 10 oldest living trees
Polynesian seafarers discovered America long before Europeans, says DNA study
What your blood type says about you
9 of the world's largest dog breeds
These electric-blue night clouds are expanding around the globe, says NASA
See the first images from an asteroid's surface