A new study highlights how life possibly evolved prior to and during the rise of Earth’s oxygenated atmosphere.

Japanese macaques, commonly referred to as 'snow monkeys', take an open-air hot spring bath, or 'onsen' at the Jigokudani (Hell's Valley) Monkey Park in the town of Yamanouchi, Nagano prefecture.

Explore 12 Hot Springs That Can Heal Your Mind, Body, and Soul, where each geothermal wonder offers soothing waters, rich ...