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

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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 ...

In the early evening, look to the southwest and you'll see Venus (the brightest object in the sky after the Sun and Moon) and ...

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

"There are still many things related to planetary formation and the early evolution of young planetary systems that we don't ...

A planet-sized visitor possibly visited the solar system billions of years ago and permanently changed the cosmic neighbourhood by warping the orbital path of four outer planets of the system, a ...

Planet Nine: A hypothetical planet proposed to exist in the outer solar system, which may influence the orbits of TNOs. Poincaré Mapping: A mathematical technique used to study the dynamics of ...

Study reveals an interstellar object's impact on planetary orbits, reshaping solar system dynamics. Discover how simulations ...