Until 2015, Pluto, the former ninth planet of the classical solar system, was largely a mystery—a tiny speck 3.6 billion miles from the sun. When NASA's New Horizons spacecraft arrived at the ...

Pluto, once considered the ninth planet, remains one of the most mysterious objects in our solar system. Its icy surface and complex atmosphere have captivated scientists for decades.

For centuries we looked to the planets as a model of clockwork regularity and economy. Now we know better. Perhaps our longing for Pluto is really just pining for a simpler time that never really was.

Grand Tack ModelTwo early solar system models could explain Ceres’ and Pluto’s current locations. In the Grand Tack model, Jupiter’s and Saturn’s migrating orbits pushed Pluto outward and Ceres inward ...

Across the solar system, crater depth scales with crater diameter in a predictable way, and the same law appeared to hold true for other craters on Pluto — but for not Kiladze.

Scientists at Harvard University have argued that Pluto is, in fact, a planet, after being downgraded to the status of 'minor planet' by the IAU in 2006. In a move that will have high school ...

Summary "Orbiting at the edge of the outer Solar System, Pluto is an intriguing object in astronomy. Since the fascinating events surrounding its discovery, it has helped increase our understanding of ...

We've recorded data from the Pluto system, and we're outbound from Pluto," Bowman told her staff here at The Johns Hopkins University's Applied Physics Laboratory, which managers the mission for NASA.

On July 14, 2015, NASA's New Horizons spacecraft arrived at Pluto for the first time. The craft flew within 7,700 miles of the planet and is sending back reams of data and the highest resolution ...

CAPE CANAVERAL, Fla. — NASA's New Horizons spacecraft is at Pluto's doorstep, following an incredible journey of nine years and 3 billion miles. Four weeks from Tuesday — on July 14 — New ...