Ichthyosaurs represent a diverse clade of Mesozoic marine reptiles that rapidly adapted to fully aquatic lifestyles following the end-Permian mass extinction. Their streamlined, 'fish-like' body plan, ...

"I'm stunned." says Per Ahlberg of Uppsala University, who coordinated the study; "A single track-bearing slab, which one person can lift, calls into question everything we thought we knew about when ...

Newly identified footprints are 355 million years old Reptiles 35 million years older than previously thought Footprints are suggestive of a lithe, lizard-like reptile May 14 (Reuters) - Seventeen ...

Body coverings such as hair and feathers have played a central role in evolution. They enabled warm-bloodedness by insulating the body, and were used for courtship, display, deterrence of enemies and, ...

(Reuters) -Seventeen footprints preserved in a slab of sandstone discovered in southeastern Australia dating to about 355 million years ago are rewriting the history of the evolution of land ...

WASHINGTON (AP) — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around 350 million years ago. The discovery suggests that after the ...

The gender gap has hit the animal kingdom ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptile-like animal, dated to around ...

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 million years of sediment, a soft-shelled egg as big as a football has emerged ...

The evolution of feathers in ancient animals was restricted to dinosaurs and their modern bird descendants. However, a reptile of the Middle Triassic period evolved something similar to feathers, ...