During the Ice Age, massive woolly mammoths, cave bears, and dire wolves roamed icy landscapes. Saber-toothed cats hunted ...
Known as the “gateway to the underworld," the crater is 1 kilometer deep and has previously revealed the remains of other ancient animals including bison, horses and dogs. As permafrost melts ...
The boggy landscape of the Bering land bridge may have allowed some ice age animals to cross easily ... It was the first attempt to reconstruct the ancient landscape and climate of the land ...
Why did some species, including ancient humans, cross the Bering Land Bridge between modern-day Siberia and Alaska during the last Ice Age? The picture has only gotten more complex.
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