Using synchrotron X-ray CT scans of a fossilized, intact embryo, researchers found evidence that the plant-eating mammal ...

Detailed imaging of a 250-million-year-old fossil has revealed the first proof that the ancestors of mammals laid eggs. The ...

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the ...

In the aftermath of Earth’s most catastrophic extinction event, one unlikely survivor rose to dominate a shattered world: ...

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

A fascinating behind-the-scenes moment captures the incredible process of a snake laying eggs.

Fish and amphibian eggs are soft and unshelled and must float in the water in order to get enough oxygen and expel their ...

They already have the bill of a duck, the tail of a beaver, lay eggs like reptiles and have venom like snakes.

David Thompson Signs of spring were evident well before March 20 when spring officially started. One sign that wasn’t visible was the unmistakable smell of a striped skunk whose mating season was ...

When it comes to a boa vs python, how can you tell these two snakes a part? Read here to learn about some of their differences!

The humble platypus, a small creature which quietly swims in the rivers of eastern Australia, has found yet another way to ...

Also featured are a family of young voles, hunted by Britain’s largest reptile: the grass snake; a kingfisher who must battle ...