Natural History

Footprints preserve giant sloth's last stand

Rare mammal that's still alive today once walked with dinosaurs

9 surprising facts about Neanderthals

'Apple detectives' rediscover 5 lost types

Divers unearth 7,000-year-old Native American burial site off Florida coast

Ancient fossils found on lands once part of Bears Ears National Monument

Does ancient cave art provide the clues to early human language?

Does the world's 'loneliest' tree mark the start of a new epoch?

Tree rings reveal our past — and our future

Ancient slab of dinosaur tracks discovered behind NASA Space Flight Center

Geologists find that a remote region of Australia was once connected to Canada

Oldest fossils ever found confirmed to be 3.5 billion years old

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