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

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

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

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

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

A Second Planet Parade Will Spread Across the Sky This 2025 — Here's What to Look Out For Find out how to watch the second planet parade of the year, as six planets and the moon prepare to align in ...

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.

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 ...

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