Why Is This Rock Worth $400,000?

In 2007 Robert Ward found this 32-pound meteorite in new Mexico. The pallasite, studded with olivine crystals, formed 4.5 billion years ago during a deep-space collision.

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NASA’s Juno Reaches Jupiter On Fourth Of July

Independence Day is always a day for Americans to celebrate, but late last night, NASA made history yet again on July 4. At 11:53 PM EDT, NASA announced that the Juno spacecraft successfully entered Jupiter’s orbit during a 35-minute engine burn after traveling 1.7 billion miles. On August 5, 2011,…