Tour 3D Pluto in New Portable Virtual-Reality View

Get your Google Cardboards ready, because it's time to take a 3D trip to Pluto. The new 7-minute Pluto tour, narrated by the science writer Dennis Overbye of the New York Times, is available for download from the Times' virtual reality app, and can be viewed through a Google Cardboard headset or on a plain smartphone screen for those who don't have one. The film, called "Seeking Pluto's Frigid Heart," walks viewers through the arrival of the New Horizons spacecraft to Pluto last July before