A new planet is pictured above right in this artist rendering provided by the National Science Foundation. Astronomers have found a planet that is in the Goldilocks zone - just right for life. Not ...

The OSIRIS-REx mission to asteroid Bennu launches in six days. Bennu is the Goldilocks of asteroids — not too small, not too far away and made of just the right stuff. Of the more than 500,000 ...