Paleontology
- 			 Paleontology PaleontologySome trilobites sported dual digestive tractsCT scans reveal trilobites with two-lane digestive tracts. 
- 			 Paleontology PaleontologyAncient jellyfish suffered strange, sandy deathA fossil hints at the unusual series of events that led to an ancient jellyfish’s preservation and may offer clues to understanding odd sand deposits found elsewhere. 
- 			 Paleontology PaleontologyBright feathers give hints about dino visionDinosaurs may have seen the world in brilliant ultraviolet light and turquoises, which may have influenced the evolution of birds' feathers. 
- 			 Paleontology PaleontologyStegosaurus landed a low blow in dino brawlDuring a dinosaur scuffle 147 million years ago, a stegosaurus whipped an allosaurus in the crotch. 
- 			 Paleontology PaleontologyMystery fossils belonged to giant ostrichlike dinosaurTwo recently found skeletons reveal that Deinocheirus, first discovered 50 years ago, was the largest-known dinosaur of its kind. By Meghan Rosen
- 			 Paleontology PaleontologyExtinct giant kangaroos tiptoed one leg at a timeStiff spines, flared hips and other fossil clues suggest extinct, refrigerator-sized kangaroos stepped one hind leg at a time instead of hopping. By Susan Milius
- 			 Paleontology PaleontologyPlant-eating dinosaurs coexisted by munching different vegetationDifferences in skulls allowed sauropods to coexist in an arid landscape by enabling the dinosaurs to tackle different plants. 
- 			 Animals AnimalsHow a saber-toothed cat is like a can openerA researcher argues that the saber-toothed cat’s teeth acted like an old-fashioned can opener. 
- 			 Paleontology PaleontologyStrange fossils from China hint at early multicellular lifeNew fossils of strange, oblong organisms that lived 600 million years ago are giving scientists hints to how living things may have moved from being single- to multi-celled. 
- 			 Paleontology Paleontology3-D scans reveal secrets of extinct creaturesPaleontologists can dig into fossils without destroying them and see what’s inside using 3-D scanning. What they’re learning helps bring the past to life. 
- 			 Paleontology PaleontologyFossil beetles show earliest signs of active parentingAncient beetles that thrived off of dead and decaying flesh may have been among the first creatures to actively care for their young. 
- 			 Paleontology PaleontologyLost-and-found dinosaur thrived in waterFossils pieced together through ridiculous luck reveal Spinosaurus to be the only known dinosaur adapted for regular ventures into water. By Susan Milius