NASA's deep space probe 'New Horizons' has discovered five big things about the little-understood Pluto. What are they?

For decades, Pluto remained one of the most mysterious objects in our solar system, until July 14, 2015, when NASA's New Horizons spacecraft became the first mission to visit it up close, capturing ...

Nine years, 3 billion miles, and $700 million later, we are finally getting the very first high resolution photos of Pluto, thanks to a NASA spacecraft called New Horizons. It’s a pretty small planet ...

NASA explains Pluto's newly discovered "blue sky" and whether or not potential astronauts could ever witness an Earth-like sunrise. The New Horizons space probe sent back its first color images of ...

Pluto, with its heart-shaped glacier, as captured by the New Horizons spacecraft Credit - JPL/NASA Members of the media garbed in protective uniforms view NASA's New Horizons spacecraft on Nov. 4 2005 ...

NASA explains Pluto's newly discovered "blue sky" and whether or not potential astronauts could ever witness an Earth-like sunrise. The New Horizons space probe sent back its first color images of ...