Wonders of the Solar System: The Asteroid Belt - The planet that never was: Sometimes finding something missing can be as intriguing as discovering something that's there. Full Story

Ask the Curator: The End of the Universe - Our small Earth and other planets are in space. It's a big area; can you tell me the total size of space? Will it have a beginning and an end? >Full Story - Have a question? Click here to send it to us.