Paleontology
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PaleontologyAmphibious Ancestors
Newly discovered fossils from Greenland, as well as a reexamination of those of previously known creatures, are providing researchers with additional insights into ancient vertebrates' move from water to land.
By Sid Perkins -
PaleontologyRemains may be an evolutionary relic
Fossils recently found in southwestern China may be of a lineage that originated long before the Cambrian explosion of biodiversity, when most major groups of animals first appeared in the fossil record.
By Sid Perkins -
PaleontologyDinosaur neck size reaches new extreme
Scientists have unearthed remains of a massive, plant-eating dinosaur whose neck may have been twice as long as its body.
By Sid Perkins -
PaleontologyOut of the Shadows
An ongoing flurry of fossil finds is triggering a reevaluation of how early mammals and their close kin eked out an existence during the Age of Dinosaurs.
By Sid Perkins -
PaleontologyAncestor of Kings: Early progenitor of T. rex had a crest
Paleontologists have unearthed remains of the oldest known dinosaur of the tyrannosaur clan.
By Sid Perkins -
PaleontologyFirst Steps
Using materials as diverse as lobster eggs, dead birds, and the headless carcass of a rhinoceros, scientists are conducting experiments that scrutinize the first steps of the fossilization process.
By Sid Perkins -
PaleontologyMammoth Findings: Asian elephant is closest living kin
DNA studies suggest that the woolly mammoth is more closely related to the Asian elephant than to the African elephant.
By Sid Perkins -
PaleontologyNew View: Fossil offers novel look at an ancient bird
A newly described specimen of an ancient creature that most scientists consider the oldest known bird is posed in a way that provides new viewing angles for several body features.
By Sid Perkins -
PaleontologyAncient Grazers: Find adds grass to dinosaur menu
Analyses of fossilized dinosaur feces in India reveal the remains of at least five types of grasses, a surprising finding that's the first evidence of grass-eating dinosaurs and an indication that grasses diversified much earlier than previously recognized.
By Sid Perkins -
PaleontologyBig bird terrorized South America
Researchers in Argentina have discovered fossils that may represent the heftiest flightless bird to ever have roamed the planet.
By Sid Perkins -
PaleontologyTusk analyses suggest weaning took years
Changes in the proportions of various chemical isotopes deposited in mammoth tusks as they grew have enabled scientists to estimate how long it took juvenile mammoths to become fully weaned.
By Sid Perkins -
PaleontologyMmmm, that’s crunchy
Isotopic analyses of the teeth of otters and mongooses from Africa have led one paleontologist to suggest that some of humanity's ancient kin shared those modern animals' preference for shelled prey such as freshwater crabs and snails.
By Sid Perkins