Outer Limits: After a five-year, 1.7 billion mile commute to work, NASA’s Juno spacecraft is now orbiting Jupiter, the solar system’s largest planet. Juno is programmed to search for clues to the origin of the Universe. How much water it …

Bottle Rocket: It’s the 4th of July, a day when Americans blow things up for fun in memory of blowing things up for independence. Permawar: An enormous explosion around midnight Saturday in Baghdad killed at least 149 people in the …