Free, gorgeous photos of space.

Subscriber Jim sent in this tip! (Courtesy of NASA):  You can’t travel to the Eagle Nebula or the Whirlpool Galaxy, but in three steps you can have pictures as perfect as though you’d visited with a camera and tripod. These gallery-quality images, taken by...

Brain Makeover #11: The Universe.

The universe was born at a specific time in the past, and it has been expanding ever since. The American astronomer Edwin Hubble discovered two important facts about the universe.  First, he showed that matter is clumped together into large collections of stars called...

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