Flight controllers at NASA's Jet Propulsion Lab and crowds at viewing parties celebrate InSight's safe arrival for a geological mission.
The vice president says the creation of a sixth, separate military service will fulfill President Trump's vow to assure U.S. dominance in space.
Asteroids and satellites, oh, my! Two reports warn us to cast a wary eye above as space debris -- natural and man made -- drops from the sky. But don’t over-fret: Odds of getting hit are very small, though experts warn that the right-size asteroid would cause major damage.