Paleontology

Paleontology

New View: Method looks inside embryo fossils

Using an X-ray–scanning technique, scientists have taken a high-resolution peek inside fossilized embryos of some early multicellular organisms.

Paleontology

Rarity of fossils of young tyrannosaurs explained

Paleontologists have unearthed only a few juvenile tyrannosaurs, and a new study suggests why: A large percentage of these meat-eating dinosaurs, unlike many other creatures, survived into adulthood.

Paleontology

Sight for ‘Saur Eyes: T. rex vision was among nature’s best

A study of dinosaur eyes finds that Tyrannosaurus rex had very sophisticated vision that may have helped its predatory abilities.

Paleontology

Sticky Subjects: Insights into ancient spider diet, kinship

Remnants of a spider web embedded in ancient amber suggest that some spiders' diets haven't changed much in millions of years.

Paleontology

Ancient webbed masters

Newly unearthed fossils of a 110-million-year-old bolster the notion that all modern birds evolved from aquatic ancestors.

Paleontology

Amphibious 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.

Paleontology

Remains 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.

Paleontology

Dinosaur 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.

Paleontology

Out 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.

Paleontology

Ancestor of Kings: Early progenitor of T. rex had a crest

Paleontologists have unearthed remains of the oldest known dinosaur of the tyrannosaur clan.

Paleontology

First 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.

Paleontology

Mammoth 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.