Further simulations on flybys into the inner Solar System revealed one of our own planets might be flung out of the ballpark ...

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

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

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

The ISS's orbit is slowly decaying. While it might seem a permanent fixture in the sky, the orbiting space laboratory is only ...

A new study, currently under review for publication, suggests that an ancient cosmic visitor might have significantly altered the orbits of our solar system's giant planets. Scientists propose that ...

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The eight major planets of our Solar System orbit the Sun in the same flat plane ... in our night sky together along the ecliptic, the path traced by the Sun. Mercury, Venus, Mars, Jupiter ...

The discovery of two new planets beyond our solar system by a team of astronomers from The University of Warwick and the ...

In the distant space out beyond the orbit of Jupiter lurks a strange object. Its name is Chiron, a type of outer Solar System body known as a centaur. But even among its fellow centaurs, Chiron is ...

The cosmos, full of endless wonders and mysteries, keeps throwing us celestial curveballs. In a revelation that could reshape ...