After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

A 3D map of our cosmic neighborhood has revealed hot and cold regions as well as an "escape tunnel" from our local bubble.

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

NASA’s Coronal Diagnostic Experiment (CODEX) is ready to launch to the International Space Station to reveal new details ...

Tiny grains from asteroid Ryugu are revealing clues to the magnetic forces that shaped the far reaches of the solar system over 4.6 billion years ago. The findings suggest the distal solar system ...

I have to confess, I struggle to watch science documentaries these days – I prefer a bit of escapism from work. But one ...

Despite its relative weakness, researchers believe it was sufficient to affect the formation of bodies at distances more than seven times the Earth-Sun distance. That includes Jupiter, Saturn, Uranus, ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. New observations of ...

On Wednesday, Nov. 6, 2024, NASA’s Parker Solar Probe will complete its final Venus gravity assist maneuver, passing within ...

“We’re reaching the crescendo of Parker’s incredible voyage through the inner solar system,” said Yanping Guo ... Early ...

A six-mile-thick crust of methane trapped in water ice could explain many of the saturnian moon's weird properties ...