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 ...

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

Keep your eyes on the sky. Six planets in our solar system are coming into alignment and will be visible from Earth. AccuWeather says Saturn, Venus, Neptune, Uranus, Jupiter and Mars will be ...

Researchers have created an improved traffic light system for predicting geomagnetic storms. They are now testing how well ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ... A 'Remelting' of Lunar Surface Adds a Wrinkle to Mystery of Moon's True Age ...

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

Beyond our solar system, a bizarre world is raging with unimaginable winds. WASP-127b is a gas giant located over 500 ...

A planet parade is when several of our solar system's planets are visible in the night sky at the same time. There will be six planets visible this time around, including Venus, Mars, Jupiter ...

Many climate experts see its deserts as a place to build the green-energy future. For two local activists, the price is too ...