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 ...

Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago ...

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 ...