We're all familiar with the idea of a sleep cycle. For people, sticking to a schedule helps our internal clock stay accurate, letting us sleep when it's time for bed, eat at mealtime and stay awake ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Giant pandas living ...

Giant pandas delight zoo-goers with their rolling, sliding, and joyful play—especially in the snow. But a new study reveals a potential challenge for the captive animals: When living in different ...

DEAR DOCTORS: Our 8-year-old son got sick with strep throat and had to miss a family camping trip. When my sister called to check on him, she asked me if I knew strep throat can cause ...

One‍‌‍‍‌‍‌‍‍‌ of the major causes that make pandas look like they are uncoordinated is their boring low-energy bamboo diet. In fact, pandas are considered carnivores, but they eat mainly bamboo, which ...

It’s probably not much of anything yet, but Qing Bao and Bao Li are at least getting curious about each other. That’s what staff at the National Zoo in D.C. said in a post on X. Bleats and chirps ...

A primary school-going boy, usually cheerful and full of energy, suddenly became consumed by a fear of germs. His hands, dry and rough due to excessive washing, showcases the marks of an obsession ...