Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

The species in question was a therapsid, a group of animals that was the forefather to modern-day mammals, including humans.

At first glance, the village of Gulu in China’s Guizhou province looks like any other quiet countryside. Rolling hills, green fields, and winding dirt paths paint a peaceful picture. But look closer, ...

Frogs and salamanders lay their eggs in communal jelly masses that are attached to submerged sticks. The jelly protects the ...