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

“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.

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 ...

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

Through New Horizons, we learned that Pluto has an ... microscopic lifeforms or may still today. Whether you call Pluto a planet or not, you sure can’t call it boring or average, and it ...

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

On February 18, 2007, the Samjhauta Express train carrying hundreds of Indians and Pakistanis across the border was bombed by ...

On Feb. 18, the sun will enter Pisces and highlight everything from our intuition to the mysteries of the cosmos. This ...

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