Hubble captured what was, at the time, the most detailed image of the dwarf planet. The result? A patchy, pixelated sphere just 12 pixels wide. Even from these images, Pluto seemed pretty intriguing.

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

Because Pluto is so far, it took time for the spacecraft to transmit all of its stunning views of the distant dwarf planet. Now, NASA has released the sharpest photos the spacecraft took.

An curved arrow pointing right. NASA's New Horizons probe flew past Pluto last July, and it took the most detailed images of the planet that have ever been seen. NASA just released some of the ...

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 ... its moon Charon revealed more surprises about the dwarf planet and its orbiting moon. Click on the hand to see ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

NASA announced that it has selected SpaceX to provide launch services for its ambitious Dragonfly mission that will place a rotorcraft lander at Saturn's moon of Titan as part of its New Frontiers ...

Viewed in this longer context, the previously modern idea of having nine planets, which came about in the 1960s and lasted only until 2006, was a blip on the screen. And if you are still a Pluto ...

Credit: Frederic J Brown/AFP/Getty Images Mike Brown killed Pluto. He had his reasons. But the astronomer did not set out to reclassify the solar system’s ninth planet as a dwarf. Brown was ...