Take a look at Nat Geo's 2025 Pictures of the Year, from wildlife portraits to groundbreaking scientific discoveries.

From calling the case "a hoax" to his "glares" at reporters asking questions about it, here's what body language experts see ...

"Since I was a kid, I would sleep-walk, drink, and eat. The sleep-drinking was the most problematic, because I've woken up ...

Like most mammals, humans are diphyodont: We have two sets of teeth – baby teeth and adult teeth. The technical term for our ...

Katherine Chappell, 29, was being driven through a safari park near Johannesburg in South Africa when her dream holiday ...