My first mom was Mary Pluto, who gave birth to me in 1955. She was 30 at the time. She died suddenly of a heart attack at the ...

It would eventually be named Pluto after the Roman god of the underworld. Despite being smaller than several known moons, it was deemed large enough to be considered a planet. However, it soon ...

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

Across the ocean, an 11-year-old English girl named Venetia Burney casually proposed the name “Pluto,” after the Roman god of the underworld. It seemed an appropriately dark name for a planet ...

Pluto was discovered in 1930 by Clyde Tombaugh, an American astronomer at the Lowell Observatory in Flagstaff. Cold, dark and distant, it was named after the Roman god of the underworld.