Saturn’s largest moon, Titan, might have formed after a collision with a lost moon, according to new research.

NASA’s Dragonfly rotorcraft lander is designed for flight on Saturn's moon Titan. See a "half-scale Dragonfly lander model" in tests at NASA Langley. Credit: Johns Hopkins Applied Physics Laboratory M ...

Authorities say a flight returned to a Houston airport just after takeoff early Wednesday because of an unruly passenger. Delta Air Lines says Flight 2557 to Atlanta returned to Houston's ...

Debris from the collision could have formed another moon of Saturn called Hyperion, and affected the tilt of Saturn itself.