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

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 ...

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

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 ...

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

On February 18, 1930, the American astronomer Clyde Tombaugh discovered Pluto! Before he discovered Pluto, another astronomer named Percival Lowell had spent over a decade trying to find it. He had ...

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

On today’s date 95 years ago, everyone’s favorite not-quite-a-planet, Pluto, was discovered by astronomer Clyde W. Tombaugh ...

In 1929, Tombaugh reported for duty at Lowell Observatory, which is still there today. The observatory is named for Percival Lowell, an astronomer who became known for his misguided notion that ...

We invited teenagers to write miniature memoirs about meaningful moments in their lives. Read the 20 winning stories. By The Learning Network This year’s Super Bowl was likely the biggest ...

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