NASA concept proposes swarm of swimming robots to explore alien oceans
Jupiter’s moon Europa and Saturn’s moon Enceladus are basically big icy balls
NASA discovers mysterious balanced rock on Mars, igniting debate over how it happened
The find was announced just one day after NASA questioned whether “the wind” blew a piece of rocket insulation 1.2 miles away from the Rover’s entry point
NASA to set up team to study UFOs
It is the first time the agency will investigate unexplained phenomena in Earth’s skies