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

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 object we thought belonged to the most common category of planet in the galaxy has turned out to be something we've never ...

But such events are not just a spectacle for stargazers – they can also have a real impact on our Solar System ... size and orbit to be discerned. Thanks to this method, we have discovered many ...

Emily Simpson, a passionate space enthusiast and recent Florida Tech graduate, has published groundbreaking research that imagines an alternate version of our solar system. Instead of the asteroid ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each ...

Earth and Mars in comparison. Mars has only ... the formation of numerous Venus and Earth-size planets beyond that which we see in the solar system, he said. This is potentially good for ...