Pluto is more than a distant dot in the sky it is a frozen frontier billions of kilometers away that no human has ever visited Discover the daring plans that nearly sent spacecraft to the ninth planet ...

The James Webb Space Telescope (JWST), operated by NASA, has uncovered intriguing new details about Charon—Pluto’s largest moon—including the presence of previously undetected surface chemicals. This ...

The debate over whether Pluto should be a planet has apparently been on the mind of the top man at NASA. NASA administrator Jim Bridenstine recently gave his thoughts on Pluto losing its planet status ...

If you've ever wondered what it'd be like to land on a distant world, you have to watch this video of the New Horizons spacecraft's approach to Pluto. NASA released the captivating video, starting off ...

Once the quirky underdog of our solar system, Pluto held planetary status until 2006, when it got a cosmic demotion that still stings space fans. Discovered in 1930, Pluto was the ninth planet for ...

Scientists who argue for Pluto to be classified as a planet are getting more ammo for a debate that has raged over the last 15 years. A team of researchers published a study in the scientific journal ...

CAPE CANAVERAL, Fla. (AP) — An unmanned NASA spacecraft the size of a piano is set to lift off Tuesday on a nine-year journey to Pluto, the last unexplored planet in the solar system. Scientists hope ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...