Using the James Webb Space Telescope (JWST), astronomers have characterized the atmosphere of a hot super-Neptune exoplanet ...

“Because Pluto is rotating rapidly prior to the collision, and because Charon lies mostly outside of their corotation zone, ...

For decades, astronomers suspected that Pluto and Charon formed through a process similar to Earth and the Moon. This theory, ...

Billions of years ago, two icy worlds—Pluto and Chron—collided in the farthest reaches of our solar system. But rather than ...

Imagine setting off on a road trip that doesn’t just take you through charming towns, but through an entire solar system – ...

Charon is large in size relative to Pluto, and is locked in a tight orbit with the dwarf planet. A new simulation suggests how it ended up there.

Unlike Earth, where the Moon orbits the planet, Pluto and Charon orbit each other, forming a binary system that is more ...

They needed some space. New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature ...

Pluto and its largest moon Charon could have come together via a 10-hour “kiss-and-capture” encounter after a grazing ...

Planet X, also called Planet Nine, is a hypothetical planetary body seven times the mass of Earth lurking behind Pluto. If ...

NASA's Director of Planetary Science, Jim Green, discusses the Jan. 20 2016 Astronomical Journal science paper that points to ...

This "kiss-and-capture" event offers a new understanding of how moons are captured and helps scientists learn more about how ...