The hills of South Moravia have yielded thousands of Stone Age artifacts over decades of excavation, most of them anonymous ...
Hike north on the Appalachian Trail and the scenery slowly transforms. Rugged, steep ridgelines in Tennessee and Virginia soften into the broad summits and smooth peaks of Pennsylvania and New Jersey.
Over 2.4 billion years ago, Earth entered one of the most extreme climate events in its history — the Huronian Glaciation. For up to 300 million years, vast ice sheets covered the planet in what may ...
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Hundreds of millions of Americans are presently besieged by a massive arctic blast and winter storm. Luckily for them, it will only be temporary. That wasn't the case 20,000 years ago... Between ...