A new virtual reality app lets users explore the solar system up close, from scorching-hot Mercury to faraway Pluto and beyond. The app, called Star Chart for VR, is billed as the first virtual ...

As NASA's Voyager 1 and 2 unmanned deep space probes head out of the Solar System, they are in territory that is the very definition of "uncharted." To help fill in the map, the Hubble Space Telescope ...