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

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

TUCSON, Ariz. — How did Pluto end up with its largest moon, Charon? Like many entanglements, it started with a kiss. New research from the University of Arizona details a “kiss and capture ...

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

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

Pluto has five moons—“fun-looking space potatoes,” Singer calls them—and its largest is a behemoth. Charon was discovered in ...

Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating and sometimes ...

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

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

Lovers of la luna also know that each month brings a different type of moon, too — a snow moon in February, a worm moon in ...

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 ...

According to a recent YouGov poll, 35% of Americans think Pluto is not a planet. But they are all wrong—kind of. To get to ...