Paleontology
- 			 Paleontology PaleontologyFossils, now available in colorFossilized feathers of an early bird or dinosaur may retain evidence of pigment, offering a chance to animal colors of the Cretaceous. 
- 			 Life LifeFossil helps document shift from sea to landNew fossils of an ancient, four-limbed creature help fill in the blanks of the evolutionary transition between fish and the first land-adapted vertebrates. By Sid Perkins
- 			 Paleontology PaleontologyAncient burrowsTriassic-era sediments unearthed in Antarctica reveal the well-preserved lair of a four-legged, mammal-like reptile. By Tia Ghose
- 			 Paleontology PaleontologyA mammoth divideWoolly mammoths roamed Siberia in two distinct clans, and the split between the groups, scientists say, is surprisingly deep, occurring more than 1 million years ago. 
- 			 Paleontology PaleontologyWalking tallSome types of the largest flying reptiles ever known were well adapted to life on the ground. By Sid Perkins
- 			 Life LifeReviving extinct DNAFor the first time, scientists have resurrected a piece of DNA from an extinct animal — the Tasmanian tiger. The researchers engineered mice with a piece of the long-gone marsupial's DNA that turns on a collagen gene in cartilage-producing cells. 
- 			 Paleontology PaleontologyChina was an ancient-ape paradiseFossil dig uncovers the oldest known remains of ancestral gibbons By Bruce Bower
- 			 Paleontology PaleontologySalty Old Cellulose: Tiny fibers found in ancient halite depositsResearchers have recovered microscopic bits of cellulose from 253-million-year-old salt deposits deep underground. By Sid Perkins
- 			 Paleontology PaleontologyTwice upon a TimeNew fossil finds suggest that the complex features of mammals originated earlier than previously thought and might even have evolved independently in different mammalian lineages. By Amy Maxmen
- 			 Paleontology PaleontologyFrom China, the tiniest pterodactylResearchers excavating the fossil-rich rocks of northeastern China have discovered yet another paleontological marvel: a flying reptile the size of a sparrow. By Sid Perkins
- 			 Paleontology PaleontologyFlying Deaf? Earliest bats probably didn’t echolocateFossils of a cardinal-sized creature recently unearthed in western Wyoming suggest that primitive bats developed the ability to fly before they could track their prey with biological sonar. By Sid Perkins
- 			 Paleontology PaleontologyLife explodes twiceThe Ediacaran fauna were as varied as all animals in existence today and, more impressively, as in the Cambrian, report paleontologists. By Amy Maxmen