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

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 these common tricks don’t reduce your risk, and what simple hygiene habits make a difference when using public ...

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

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

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

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

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

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