If weaving and scrambling between towering rock walls through a narrow vertical chasm sounds like a good time, this volcanic ...

A new study uncovers how volatile-rich magmas propel diamond-bearing kimberlites from Earth’s depths. If you’ve ever admired a diamond, chances are it originated from a kimberlite. More than 70% of ...

Italian climber Pietro Vidi has successfully repeated the cutting-edge trad-climb 'Meltdown' (5.14c/8c+) in Cascade Creek, ...