The first saber-teeth and tusks evolve in the Late Permian and our ancestors, the cynodonts, appear.

Miles O’Brien finds climate solutions in seaweed and beavers.

An extinction in the Middle Permian decimates life, from a fossil reef to our ancient relatives.

Follow the Artemis mission to bring humanity back to the Moon for the first time since Apollo.

Learn about life aboard the International Space Station and the future of space exploration.

The first herbivorous vertebrates evolve on the side of the amniote family tree leading to mammals.

Find out who’s using your data and what you can do about it.

A Madagascan chameleon and a Scottish water vole travel to secure their bloodline.

Seed plants and amniotes adapt to dry climates, helping them thrive on Pangea in the Permian Period.

Join the mission as the New Horizons spacecraft attempts to fly by NASA's most distant target yet. Since it explored Pluto in 2015, New Horizons is zooming toward Ultima Thule, an object four billion miles from Earth.