When was Pluto discovered? Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory ...

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

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

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

Trans-Neptunian objects (TNOs) are icy bodies that vary widely in size, from large dwarf planets like Pluto and Eris—each ...

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

We’ve learned a lot about poor, poor little Pluto — thanks to NASA’s New Horizons probe, which visited the dwarf planet in 2015. 1 - Instead of an ancient, inert rock, we’ve found an icy ...

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

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

The New Horizons mission provided stunning images ... Though no longer officially a planet, Pluto continues to be a key focus of planetary research. Its reclassification has led to a better ...