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

Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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

A new study claims it is possible an "alien visitor" could have warped our solar system during its earliest years.

Our Solar System is a carefully balanced celestial dance held together by a virtually perfect balance of gravity and inertia.

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

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 ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But ...

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

Dark matter has eluded us for many decades. Even our most advanced particle colliders and sophisticated underground detectors ...

The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.