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 ...

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

What is the sturgeon full moon? Learn more about the array of celestial events happening in August 2025.

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

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

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

If you’ve got a toe to spare, surgeons say it might just be the best swap-out that nature has to offer.

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