WASHINGTON (7News) – NASA has lofted countless spacecraft into the solar system, but a mission launching in late November will attempt a unique feat: to slam into a tiny asteroid and slightly speed up its orbit. The mission, known as...

An asteroid -- estimated to be one to two miles in diameter -- will pass by Earth early Wednesday, April 29 just before 4 a. m. MDT, according to NASA. NASA is tracking the asteroid, called 52768 (1998 OR2), but...