On a clear night, people near the poles might see colorful light wafting across the sky. New research could explain why these auroras don't look the same to everyone .
By Vicky Stein
The Kilauea volcano provides a natural laboratory on Earth to study volcanoes found on other planets and moons in our solar system.
By Fedor Kossakovski
Earth got pretty beat up in its first 500 million years. Scientists recreated thousands of asteroid strikes over 4 billion years ago. Those asteroids shaped the planet's crust, and may have contributed to the rise of life on Earth.
By Rebecca Jacobson, Inside Energy
New Discoveries From NASA's 'Curiosity' Rover's Mission to Mars…
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