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

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

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

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

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.

Engineered viruses using bacteria as a Trojan horse could be the next big thing in cancer treatment.

Learn more about the Younger Dryas event, an ancient climate change catastrophe that’s typically attributed to glacial ...

How the Inca Built Machu Picchu The city’s longevity attests to the craftsmanship and practical prowess of its builders.

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