Plus, see the rest of the top 100. I'm a real-estate expert who has flipped over 1,000 homes. These 6 lessons have shaped my career. Watch emotional dad break down into proud tears at his son’s ...

Venus is not an obvious place to look for life. Its globe-spanning cloud decks are made of sulfuric acid, “a feature that was long believed to be sterile for any organic chemistry,” said MIT ...