One Pluto year equals 248 Earth years. At 1473 miles in diameter—about half the width of the United States—Pluto is the ...

The universe is unimaginably vast, with over 2 trillion galaxies and still expanding, far beyond human exploration.

With discoveries about Pluto from NASA’s New Horizons mission rolling in, here are nine of the most interesting facts about the former planet. 1. Pluto was first discovered by a young research ...

After nine years of travelling, and a three billion mile journey, the New Horizons probe is getting close to its fly-by of Pluto. It's hoped it will take the clearest pictures ever of the surface ...

Pluto's orbit: Quick facts Pluto's rotation is retrograde compared to the solar systems' other worlds; it spins backward, from east to west. Average distance from the sun: 3,670,050,000 miles ...

Facts about NASA's New Horizons mission ... NASA's New Horizons became the first spacecraft to visit dwarf planet Pluto in July 2015. The far-traveling spacecraft also visited a distant Kuiper ...

Guides looks at 10 facts about our furthest family member. 1. Discovery It was 24-year old Clyde Tombaugh, a research assistant, who first stumbled across Pluto in 1936. While predictions about ...

So far we have received about half of the 50 gigabits of data it collected while passing Pluto. Using what they have so far scientists are learning more about Pluto and its moons every day.

Calçada and Nick Risinger (skysurvey.org) // CC BY 4.0 Far beyond the orbit of Pluto exists a celestial body that’s a little smaller, a little colder, and a little denser—the dwarf planet Eris.