Paleontology
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PaleontologyThat’s no footprint, it’s got no toes
The impressions near Isona, Spain, long thought to be fossilized dinosaur footprints may actually record the feeding behavior of stingrays.
By Sid Perkins -
PaleontologyA Ticklish Debate
Paleontologists engaged in a contentious debate about the origins of feathers often reach interpretations that are poles apart, and they defend their views with fervor.
By Sid Perkins -
PaleontologyNeandertals, humans may have grown apart
A controversial fossil analysis finds that the skulls of Neandertals and humans grew in markedly different ways.
By Bruce Bower -
PaleontologyStudy picks new site for dinosaur nostrils
A new analysis of fossils and living animals suggests that most dinosaurs' nostrils occurred at locations toward the tip of their snout rather than farther up on their face, a concept that may change scientists' views of the animals' physiology and behavior.
By Sid Perkins -
PaleontologyFor past climate clues, ask a stalag-mite
Mites fossilized in cave formations in the American Southwest show that at times during the past 3,200 years the climate there was much wetter and cooler.
By Sid Perkins -
PaleontologyTwo new dinosaurs chiseled from fossil gap
A sleek predator and a pot-bellied giant dinosaur have emerged from North American rocks to fill in a 30-million-year gap in the dinosaur fossil record.
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PaleontologySahara yields second-largest dinosaur
Excavations near an Egyptian oasis have unearthed the fossils of an animal that probably ranks as the second-most-massive dinosaur known.
By Sid Perkins -
PaleontologyFossil footprints could be monumental
Trace fossils found in a vacant lot in a small town in Utah, including the footprints of meat-eating dinosaurs, could soon be protected as part of a new U.S. national monument.
By Sid Perkins -
PaleontologyBeyond Bones
The forensic analysis of trace fossils such as footprints, nests, burrows, and even coprolites—fossilized feces—reveal subtle clues about ancient species, their behavior, and their environment.
By Sid Perkins -
PaleontologyEarly Mammal’s Jaw Lost Its Groove
A tiny fossil skull found in 195-million-year-old Chinese sediments provides evidence that crucial features of mammal anatomy evolved more than 45 million years earlier than previously thought.
By Sid Perkins -
PaleontologyThe Latest Pisces of an Evolutionary Puzzle
The recent discovery of coelacanths off the northeastern coast of South Africa was the first sighting of the rare fish in that country since the first living coelacanth, a type of fish thought to have been extinct for millions of years, was caught there in late 1938.
By Sid Perkins -
PaleontologyDid fibers and filaments become feathers?
A variety of filamentary structures on the fossil of a small theropod dinosaur recently found in China may provide new insight into the evolution of feathers.
By Sid Perkins