Learn about the impact of COVID on cardiovascular health and the aging of blood vessels, an aftereffect that is particularly ...

Learn more about the Eastern Massasauga, a rattlesnake from eastern North America — including the eastern Midwestern United ...

How do scientists know how old Earth is? Learn how experts have measured Earth's age, and why it is more difficult to ...

Squirrels with pox and rabbits with horns. Learn more about the viruses impacting these small mammals.

Learn why these common tricks don’t reduce your risk, and what simple hygiene habits make a difference when using public ...

Learn more about the arrival of ancient humans on the island of Sulawesi, a nearby neighbor to the island of Flores, where ...

Learn about the first ever molecule in the universe and its significance when it comes to the formation of the earliest stars ...

Learn why differences in the mitochondrial DNA of great white sharks have bewildered scientists for over 20 years.

Learn more about what a star’s color means and while you’ll never see a twinkling green star in the night sky.

Learn more about early marine animal witness accounts that likely fed mermaid and other sea monster legends.

Learn more about the handful of tooth fossils that complicate the history of humans in northeastern Ethiopia.

Meet Janjucetus dullardi, an early cousin of today’s whales that roamed the sea 26 million years ago.