"The data from the termination shock encounter will be a treasure trove for space physicists worldwide who are eager to ...

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Pro Football Talk’s Mike Florio went into great detail about how this complicated transaction could happen. Maybe it will, ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

The second crowdfunded chapter will open at Nagoya's Osu Cinema on April 21. It will then play at Tokyo's Animate Theater in ...

Clyde Tombaugh discovered Pluto in 1930 at Lowell Observatory in Flagstaff. Here's how Pluto won - and lost - its planetary status.

Pluto was once the ninth planet of our solar system, until scientists reclassified it in 2006, sparking outrage and debate.

Pluto, with its heart-shaped glacier, as captured by the New Horizons spacecraftJPL/NASA Pluto will mark a birthday of sorts on March 23, 2178. No one is likely to be there to celebrate it ...

The annual event celebrates the discovery of the little planet with a big heart and other scientific advances at Flagstaff, ...

Yellowstone, the hit western show starring Kevin Costner, is available to watch for free on Pluto TV this weekend.