Experts suspect that the egg may have been that of a mosasaur, a marine reptile popularized in recent years by the Jurassic ...

A uniquely preserved ichthyosaur from the Pliensbachian period helps resolve when a major evolutionary shift occurred among ...

This video explores how Mosasaurus evolved into a marine predator so dominant that it effectively “broke the game” of prehistoric ocean life. Scientists highlight the creature’s immense size, ...

Giant ancient sea reptiles, called mosasaurs, lived in rivers as well as seas, according to a new study. The research was based on the fossil of a tooth that was previously found in the United States.

The mighty mosasaurs were once thought to have ruled only the oceans — but a new discovery is rewriting that story. In North Dakota, scientists have uncovered a massive tooth lodged in the sediments ...

A Europe‑wide survey of 10,000 respondents shows strong backing for the recovery of wolves, lynx and bears, as well as opposition to hunting and culling, but also shows that a majority opposes any ...