A group of comets with unexplained movements presents a quandary D avide Farnocchia hunts down and tracks asteroids, and ...

New research has revealed why carbonaceous asteroids, some of the most chemically primitive materials in the solar system, ...

NASA’s James Webb telescope is offering a new look at Neptune’s aurora, leading to a new mystery involving the eighth planet from the sun.

The rotating model, which does not break any known law of physics, suggests the universe could spin around once every 500 billion years. This would be far too slowly to detect easily, but enough to ...

NASA’s Parker Solar Probe is making its second ... the sun and affects space weather throughout the solar system. One of the biggest puzzles Parker hopes to solve is why the sun’s corona ...