Earth formed about 4.6 billion years ago, during the geological eon known as the Hadean. The name "Hadean" comes from the ...

Picture the frozen winds of the Ice Age tearing across vast, wild plains. Imagine two giants—one with fangs like daggers, the ...

For decades, scientists believed the Arctic Ocean was sealed under a massive slab of ice during the coldest ice ages — but new research proves otherwise. Sediment samples from the seafloor, paired ...

For years, scientists have debated whether a giant thick ice shelf once covered the entire Arctic Ocean during the coldest ...

A boomerang carved from a mammoth tusk is one of the oldest in the world, and it may be even older than archaeologists ...