Sleeper sharks live extraordinarily long lives and can thrive in near-freezing ocean temperatures near Earth's poles.

Young elephants have a lot to learn—what to eat, what to avoid, how to behave around others. When they grow up around their mother and aunts, their development into well-behaved adults may seem ...

National Geographic has released the trailer for its gripping new documentary, "Lost in the Jungle." The story is about four Indigenous siblings, aged 13, 9, 5 and 11 months, who were stranded in the ...