For more than 150 years, scientists have debated whether Prototaxites—which stood roughly 24 feet tall and 3 feet wide—were an early lichen or fungus, like a “giant mushroom” ...

All kinds of animals use conspicuous colors. Research from biologists at the University of Arizona found it's a quirk of ...

This fault is likely a "scar" in Earth's crust, formed when Zealandia broke off from Antarctica and Australia about 150 million years ago becoming its own landmass. During this process ...

A crater at the edge of the Yucatán peninsula in Mexico was created by a massive asteroid that hit Earth 66 million years ago At the end ... left a crater over 150 kilometres wide, centred ...