The man in the moon's face was actively formed by hot lava and other geological forces.
Scientists armed with diamond anvils are pushing their investigations deeper and deeper into the center of Earth without actually having to go there.
Around New Guinea, there's a watery hill almost two hundred and fifty feet high. This isn't a hill on the ocean floor, but a hill on the ocean's surface.
Is Hawaii due for a new volcano? Learn about Hawaii's growing island on this Moment of Science.