Mosasaurus was one of the largest members of the mosasaur family, which were the top predators in the oceans during the age of dinosaurs.
Find out everything there is to know about fossils and stay updated on the latest fossil news with the comprehensive articles, interactive features and fossil pictures at LiveScience.com. Learn more about these fascinating findings as scientists continue to make amazing discoveries about fossils.
A well-preserved fossil reveals that 180 million years ago, an eight-armed predator suffocated with its prey.
Primeval sea creatures share genes with humans, suggesting that we're more like ancient animals than previously thought.
A bizarre shark with wing-like side fins soared through an ancient sea 93 million years ago in what is now Mexico.
Scientists have identified the earliest primates from tiny fossilized teeth, revealing that our ancient ancestors likely lived alongside the dinosaurs in North America.
A 66 million-year-old fossilized lung belonging to a previously unknown giant coelacanth fish was recently discovered in Morocco.
More than half-a-billion years ago, ancient terrestrial fungus may have helped Earth recover from a catastrophic ice age.
Ancestors of giant Bobbit worms may have colonized the seafloor millions of years ago, building long, narrow burrows where they would wait for unsuspecting prey.
An ancient fossil has been identified as the ancestor of all starfish-like animals living on the planet today, according to a new study.
Scientists describe a new species of assassin bug from a fossil that dates to around 50 million years ago and includes the insect's intact genitals.
Fat molecules attributed to ancient sea sponges actually belonged to algae, two new studies suggest.
A Tyrannosaurus rex called Stan ended up on the auction block because of a lawsuit. Here's how it happened.