Find out what fossils have revealed about ichthyosaurs, which included the biggest marine reptile that ever lived.

Researchers have discovered the oldest known remains of a giant ancient oceanic reptile, known as an ichthyosaur, on a remote Arctic island, offering new evidence of how the creature may have evolved.

The land contact between North and South America has long been a fountain of research. The Isthmus of Panama—the narrow strip of land between the two continents—fully emerged about 3.5 million years ...

Marine reptiles that cruised the planet's oceans millions of years ago may have suffered from their own version of the bends, studies of their fossils suggest. But scientists are in disagreement over ...

An extraordinary fossil has blown the socks of palaeontologists as it was found to contain the soft tissues of a Temnodontosaurus ichthyosaur, marking the first time we’ve ever found soft tissue ...

Cartorhynchus as it may have looked in life. The amphibious reptile is the oldest known representative of the ichthyosaurs, dolphin-like marine reptiles that entered the oceans after the Permian mass ...

Some 230 million years ago, massive dolphinlike reptiles called ichthyosaurs gathered to breed in safe waters — just like many modern whales do. “This is something we see in modern marine vertebrates ...

Life reconstruction of the large-sized Jurassic ichthyosaur, Temnodontosaurus. “The soft tissue preservation in this fossil is just one of these amazing discoveries that you stumble across once in a ...

3D models of the nine ichthyosaurs analyzed by the researchers, shown in their evolutionary context. Credit: Gutarra et al., 2019) 3D models of the nine ichthyosaurs analyzed by the researchers, shown ...

Several similar large, fossilized bone fragments have been discovered in various regions across Western and Central Europe since the 19th century. The animal group to which they belonged is still the ...

This mystery begins in 1952, in the Nevada desert, when a self-taught geologist came across the skeleton of a massive creature that looked like a cross between a whale and a crocodile. It turned out ...