The space probe began making discoveries even before today's flyby. — -- Three billion miles and nearly ten years of travel led up to the moment NASA's New Horizons probe zoomed past Pluto ...

A conceptual mission known as "Persephone" could explore Pluto and its moons for 50 years — if it ever gets funded and ...

Astronomers have used the James Webb Space Telescope (JWST) to uncover two groundbreaking findings: strong evidence of a ...

Pluto raises $3.7M to accelerate scientific discovery with an interactive canvas for computational biology ...

Boy, how the world has changed over the past 10 years, but perhaps not as profoundly as our understanding of another, more ...

Pluto’s geological evolution offers further intrigue. The internal heat generated during its collision with Charon could have contributed to the formation of a subsurface ocean.

Pluto's discovery was widely celebrated, especially in the U.S. After all, it was the first planet discovered in the new world, and America needed the win in 1930.

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence ...

Pluto nearly fills the frame in this image from NASA's New Horizons spacecraft. The image was taken on July 13, 2015, when the spacecraft was 476,000 miles (768,000 kilometers) from the surface.