The Mesozoic era saw the rise of some of the most iconic animals, from Tyrannosaurus rex to birds and mammals. When you purchase through links on our site, we may earn an affiliate commission ...

Eight species of the tropical land snail family have been found embedded in Burmese Mesozoic amber, six of which also feature hairy shells. Last solar eclipse of the year in photos: Marvel at this ...

The Jurassic period was the second segment of the Mesozoic era. It occurred from 201.3 million to 145 million years ago, following the Triassic period and preceding the Cretaceous period. By the ...

Large butterfly-like insects known as Kalligrammatid lacewings, which fluttered through Eurasian fern- and cycad-filled woodland during the Mesozoic Era, have been extinct for more than 120 million ...

A Study Says the Mesozoic Era Is the Key to Finding the Elusive Second Earth in Space To sniff out complex life in its prime, scientists say we need to turn to the dinosaurs. By Darren Orf ...

An artist's reconstruction of a tiny, toucan-like bird called Falcatakely forsterae A bizarre bird from the Mesozoic Era had a small, scythe-like beak with one tooth at its tip. Its fossil was ...

A nearly 100 million-year-old firefly fossilized in amber sheds light on how the bioluminescent insects evolved during the time of dinosaurs, a new study finds.

The Mesozoic era, which spanned the time from 251 million to 66 million years ago, is often referred to as the age of dinosaurs. But although dinosaurs reigned supreme on land back then, they did ...