The origin of the differing tilts in the orbits of the planets in our solar system may have been revealed through the ...

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Astronomers have discovered a rare solar system in the Milky Way with six planets orbiting in perfect rhythm like a cosmic orchestra.

The discovery of the new planets 100 light years away could be the key to unlocking mysterious of the planets in our own solar system, the researchers said in a new study.

A Jupiter-like planet has been found orbiting a young sun-like star in a solar system far away in what is a potentially ...

NASA is tracking a mysterious, fast-moving object entering our solar system, raising questions about whether it's just a ...

If you have ever looked at a model of our solar system, you may have noticed that all of the planets orbit on the same plane.

Beyond the familiar planets lies a fascinating frontier filled with icy worlds, mysterious orbits, and cosmic curiosities.

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system.

Astronomers have, for the first time, detected a planet growing inside a cleared gap of a protoplanetary disk, confirming long-held theories about how young planets shape their star systems.

Astronomers have discovered a brand new type of planet outside our solar system that, even in its infancy, is already bigger ...