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

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 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.

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.

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.

Learn more about a Neanderthal "workshop" that was likely used to butcher and process animals.

Take a tour of Chrysalis, a massive, cylindrical spacecraft designed for the Project Hyperion Design Competition.