Newly Discovered TRAPPIST-1 Red-Dwarf Star System --"All Seven Planets Synchronize in Nearly Perfect Time, With Three in the Habitable Zone" (VIDEO)

"Most planetary systems are like bands of amateur musicians playing their parts at different speeds," says Matt Russo, at the Canadian Institute for Theoretical Astrophysics (CITA). "TRAPPIST-1 is different; it's a super-group with all seven members synchronizing their parts in...