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

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

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

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.

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 about the first ever molecule in the universe and its significance when it comes to the formation of the earliest stars ...

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

Why This Fungus Has Over 20,000 Sexes Explore the fascinating concept of gender diversity in fungi, especially with the unique cases of Schizophyllum commune and its 23,000 sexes.

Chikungunya Virus Cases Swell in China — Here's What to Know About the Mosquito-Borne Disease Follow the current Chikungunya virus outbreak in China, and learn why the mosquito-borne disease is on the ...

Extraordinary discovery of bones from early Ice Age period could reshape how we understand and respond to today’s climate ...