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

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

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

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

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

Find out how to watch the second planet parade of the year, as six planets and the moon prepare to align in the sky starting ...

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.

Follow the current Chikungunya virus outbreak in China, and learn why the mosquito-borne disease is on the rise.

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

A quick voice check could one day become as routine as taking your temperature, helping doctors detect voice box cancer.

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