What is excessive daytime sleepiness? Tiny blood metabolites reveal how diet and biology are tied to daytime alertness and ...

Learn how the Parker Solar Probe's passage through the Sun's outer atmosphere has shed light on the process that creates ...

Learn how isotope analysis helped illuminate a hidden period of history for Utah’s Great Salt Lake.

The Black Moon means the moon will disappear for a night. Discover more about this rare phenomenon that occurs approximately ...

Is dark matter real? While most experts agree that dark matter exists, there's still a lot we don't know.

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.

Rising above a desert plateau near Cairo are three giant pyramids. The most famous of them is the Great Pyramid, and together, they’re the only structure among the Seven Wonders of the World that is ...

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

Learn about mice babies that were born from stem cells previously frozen on the International Space Station, which could one ...