New fossils unearthed in the Sahara desert reveal a half-dozen species of unusual crocodiles.
When digital technology really started to have mass appeal some 20 years ago, many people thought the world would see the death of cities.
A third of the dinosaurs could in fact be babies or teenagers of previously known species.
The ratio of record highs to lows is likely to increase dramatically in coming decades if emissions of greenhouse gases continue to climb.
Impact of airborne nitrogen released from burning of fossil fuels much greater than previously recognized.
Scuba divers explore depths of volcanic lake in Guatemala to find clues about an ancient sacred island where Mayan pilgrims flocked
Twelve of the worst pollution problems in the developing world are being cleaned up, a new report claims.
A map pinpointing the location of some of the worst-polluted parts of China is spreading on the Chinese Internet.
Norwegian scientists have found “mummified” pine trees, which have been dead for almost 500 years but not yet decomposed.
Amateur archeologists have discovered what may be the biggest dinosaur tracks ever found.