Journey beyond Neptune to uncover the frozen, mysterious worlds that challenge everything we thought we knew about the solar ...

With Senate confirmation of Jared Isaacman to head NASA, the billionaire space pilot could begin pushing forward his vision ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

LONDON — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper's authors have ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

(CNN) — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have ...

More than 50 times further from the Sun than Earth, the tiny dwarf planet Makemake is one of the last places you'd expect to find an intact gaseous atmosphere. Not only is it incredibly cold, being ...

More than 2 billion kilometers farther from the sun than Pluto, a frigid world named Makemake sports the most distant gas ever seen in our solar system, new observations reveal. “By surprise, we found ...

Ammonite, officially designated 2023 KQ14, is a distant world that keeps its cool far beyond Neptune. The discovery appears in a peer reviewed study that also puts fresh pressure on the idea of a ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...