Saturday Oct 10 - The Entire center will close at 5pm for a private event. The observatory and telescopes will remain open.
If just 25% of U.S. families used 10 fewer plastic bags a month, we would save over 2.5 BILLION bags a year.
Americans use 50 million tons of paper annually -- consuming more than 850 million trees.
Just to settle it once and for all: Which came first the Chicken or the Egg? The Egg -- laid by a bird that was not a Chicken
At 13.8 billion years old, the Universe is only three times older than the Earth itself.