New footage shows a mother chimpanzee caring for her dead son in a very human way.
Siberian tigers and Amur leopards will get to prowl land 60 percent larger than the Yellowstone National Park.
The ultra-tough tardigrades have an interesting way of getting through their dry spells.
Rocks from the Hudson Bay contain traces of ancient crust.
See how daredevils travel, minus the fear and danger.
Most of the world's reefs are dying, so scientists are creating fake ones to spur rehabilitation.
Sea sparkle brightens up the coastline, but it's not all good news.
Researchers find that one of the effects of global warming is the shrinking size of warm-blooded creatures.
A newly discovered fossil exhibits traits from both Neanderthals and Homo erectus.
The Earth froze into a massive snowball roughly 717 million years ago. Scientists explain how a perfect storm of fire and ice made this happen.
Scientists found a frog that can let it glow like no other.
Humpback whales, often seen swimming solo or in small groups, but now they're gathering in "super-groups" up to 200. Why?
Wild boars now roam the streets of deserted towns, making it difficult for people to come home after the Fukushima nuclear accident.
Could these radio bursts be from transmitters powering extraterrestrial probes?