More than a decade of data about the particles zipping around our sun can solve mysteries from the behaviour of individual ...

Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

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 ...

The eight planets in our solar system orbit the sun in roughly the same plane, because they all originally formed from the ...

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 ...

Images captured by NASA's Solar Dynamics Observatory have revealed that "coronal loops" give off subtle flashes of ...

In the depth of winter, a sweeping view of our solar system will glow in the night sky. In total, six planets will be visible ...

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