The mud glyphs are over 1,000 years old and include humanoid figures, abstract shapes, and an 11-foot-long serpent. Reading time 3 minutes A team of researchers scanned the roof of a limestone cave in ...

Neandertal DNA recovered from cave mud reveals that these ancient humans spread across Eurasia in two different waves. Analysis of genetic material from three caves in two countries suggests an early ...

From towering redwood forests to Mars-like scenery at record-breaking national parks, the Golden State is home to all kinds of landscapes. Its largest state park, Anza-Borrego, is known as one of the ...