Filmmaker Adam Nemoy helps celebrate the 90th anniversary of Pluto's discovery this month at the 6th annual 'I Heart Pluto' ...

Is it possible to view Pluto from a backyard telescope? Ethan Spyker Wadsworth, Ohio If I'm being honest, Pluto is difficult for an amateur astronomer to see. A standard 8-inch telescope just won ...

Christy had been imaging Pluto with the USNO's 1.5-meter (4.9-foot) telescope. Because Pluto is so far from the sun — more than 3 billion miles (4.8 million km), on average — it appears as ...

The telescope at the observatory was equipped with ... Eleven-year-old Venetia Burney of England suggested the name Pluto because the dark, distant planet resembled the abode of the Greek god ...

Pluto may have got romantic to capture its largest moon, colliding and engaging in a passionate but icy 10 hour kiss with Charon billions of years ago. When you purchase through links on our site ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If found, this gassy, icy beast some 155 billion miles away from the sun ...

29,097 people played the daily Crossword recently. Can you solve it faster than others?29,097 people played the daily Crossword recently. Can you solve it faster than others?

Although Seeing in the Dark doesn't directly discuss Pluto, it does celebrate the joy of observing planets. Viewers who watch the show may wonder what happened to Pluto in 2006 and whether any of ...

Before New Horizons, the best images of Pluto revealed nothing more than a few light and dark patches. The best Hubble Telescope images were only 150 pixels across. The new pictures show much more ...

Artistic representation of the huge and slow impact on Pluto that led to the heart-shaped Sputnik ... [+] Planitia structure on its surface. Ever since NASA's New Horizons sent back the first-ever ...