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, ...

The gender gap has hit the animal kingdom ...

WASHINGTON — Scientists in Australia have identified the oldest known fossil footprints of a reptilelike animal, dated to around 350 million years ago. The discovery suggests that after the first ...

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, ...

Our bones did not begin deep inside the body. They started in the skin, not long after the first complex animals took shape.

A long-snouted ichthyosaur fossil found on England’s Jurassic Coast fills a missing chapter in marine reptile evolution. (CREDIT: Bob Nicholls / University of Manchester) A fossil found over two ...

"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 ...

The newly described Mirasaura grauvogeli from the Middle Triassic had a striking feather-like crest, hinting that complex skin appendages arose far earlier than previously believed. Its bird-like ...

Scientists in Australia have discovered a rare new lizard species with no front arms and only back limbs, revealing how ...

A fossil found over two decades ago on England’s Jurassic Coast has proved to be one of the most significant discoveries of marine reptiles in recent times. The almost complete skeleton of a ...