This one-ton turtle once ruled South America’s rivers — until a changing planet proved too much for even the largest ...

Last fall, a routine day of rockhounding on Bureau of Land Management–managed public land in southwest Wyoming turned into an ...

Learning doesn’t always mean flipping through heavy textbooks or sitting in a long lecture. Sometimes, it just takes ...

Mix raisins with peanuts or pretzels, then coat and scoop into larger clusters. Sprinkle with festive colored sugar or ...

Some 2,000 years ago, Maya leaders in the city of San Bartolo entered a temple chamber with vibrant murals depicting supernatural beings and mythical humans painted on its walls. Then they destroyed ...