Meet Pluto, a young male mixed breed with hound dog heritage. At just 2-3 months old, this short-coated pup has his whole ...

While the IAU hasn’t reversed its decision, the debate continues and some planetary scientists still call Pluto a planet. An Arizona dog was abandoned with a heartbreaking note. See what it said ...

If you answered "Pluto's planethood," your grasp of the astronomical is excellent. Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about ...

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