A set of mysterious grooves on a cave floor in France has turned out to be far more than abstract art. Archaeologists now ...

Jared Wildenradt is likely the most prolific hiker of the Ice Age National Scenic Trail ever, and he doesn't plan to stop anytime soon. Lisa Siewert teaches geology and geography at the University of ...

The tourists stopped to spread picnic blankets at a scenic point overlooking the picturesque lake of Lough Tay in Ireland’s Wicklow Mountains. But the four scientists trekked on, climbing toward the ...

The Earth’s climate is a dynamic entity, continuously evolving over billions of years with alternating periods of extreme heat and cold. Recent scientific studies indicate that the Earth is subtly ...