Whether you are a kid or just a kid at heart, NASA wants you to know about the total solar eclipse that occurs on April 8th. The agency released "Snap It!," an online game for kids 7 years old and up.

Though costly to implement, solar energy offers a clean, renewable source of power. 3 min read Solar energy is the technology used to harness the sun's energy and make it useable. As of 2011 ...