An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

One of Jupiter's moons known as Io is well known for its intense geological activity, as it has more than 400 active volcanoes, making it the most volcanically active body in the s ...

The research, yet to be peer-reviewed, sheds light on what could have changed the orbits of several planets in the solar ...

LOS ANGELES -- Studies of the samples from asteroid Bennu brought back to Earth by NASA's spacecraft have revealed that the early solar system had widespread conditions and ingredients for life, NASA ...

A new study suggests that a planet-sized object may have passed through the solar system billions of years ago.

Jan. 15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System. This provides another piece of the puzzle to ...

Titan is the only moon in our solar system with a significant atmosphere. Now we have a very good idea of how this dense ...