When There’s No Heat: ‘You Need Wood, You Get Wood’

As NASA Lands $2.9 Billion ‘Sample Return’ Rover On Mars Can You Guess How Much Christie’s Is Selling Mars Rocks For?

Italy’s Mount Etna Erupts, Spewing a Fountain of Lava and Ash Into the Sky

Study Suggests Earth’s Protective Magnetic Shield Failed 42,000 Years Ago