Long ago, a planetary object eight times the mass of Jupiter may have once visited the solar system and altered […] The post ...

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

Here’s what you should know when you go outside to see for yourself: Yes, the planets are indeed lined up across our sky. No, ...

Astronomers have long relied on two main methods to detect exoplanets—the transit method, which looks for dips in a star’s ...

When you first learned about the Solar System, you probably saw diagrams that made it look orderly, with planets arranged in ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

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

HD 20794d orbits its star with two other super-Earth planets, designated b and c, which orbit their star every 18.3 and 89.6 days, respectively. These were discovered in 2011 by a team of Geneva ...

A team of scientists has proposed a groundbreaking theory suggesting that a massive interstellar object—potentially eight times the size of Jupiter—may have dramatically impacted the orbits of ...

If you were to perfectly follow the steps in An Idiot's Guide to Making a Solar System, you should eventually find yourself ...