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

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

Scientists have uncovered a new theory to explain how Pluto and its largest moon, Charon, formed their unique relationship. Citing a recent paper published in Nature Geoscience, the New York Times ...

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...

New research suggests that billions of years ago, Pluto may have captured its largest moon, Charon, with a very brief icy "kiss." The theory could explain how the dwarf planet (yeah, we wish Pluto ...

On the 95th anniversary of its discovery, Pluto remains one of the most beloved and enigmatic worlds in our solar system, ...

A new theory about Pluto’s largest moon, Charon, could alter how planetary systems are taught in U.S. schools. Scientists suggest that 4.5 billion years ago, Pluto and Charon experienced a "kiss ...

As the new moon approaches in late July, it’s a great time to pull out your telescope – if you have one –; everyone’s favorite dwarf planet, Pluto, will reach opposition (and be at its ...

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

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 ...

An amateur astronomer discovered Pluto 95 years ago today. The former planet will complete an orbit in another 153 years.