The story of the young farm boy who became an astronomer and discovered the planet Pluto at the age of twenty-four.

In 1930 astronomer Clyde Tombaugh made the discovery of a lifetime: the planet Pluto. His work remains relevant today as astronomers continue their search for p

Pluto looms large in Flagstaff, where residents and businesses alike take pride in their community's most enduring claim to fame: Clyde Tombaugh's 1930 discover

Twelve-year-old Clyde Tombaugh stepped up and took his first look through a telescope. Gazing at the moon, he was thrilled by the sight of its craters and valle

An adventure in scientific discovery Pluto, the farthermost planet in the solar system, some 3,673 million mites from the Sun, was discovered by Clyde Tombaugh