An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course. When ...

The origin of super-Earths and sub-Neptunes has been revealed in a system of four young planets that are dramatically losing ...

In theory, a planet may be able to orbit a binary star system in a figure of eight, but it may not be particularly stable, ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: giant planets that loop around their stars on orbits so skewed they almost defy ...

While our Sun prefers to go solo, many other stars are parts of binary systems, with a pair of stars gravitationally bound to each other. In some cases, the stars are far enough apart that planets can ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Discover the fascinating journey of a planet that orbits a black hole. This video delves into the dynamics of celestial ...

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

This illustration shows an exoplanet orbiting around two brown dwarfs –– objects bigger than gas-giant planets but too small to be proper stars. ESO/M. Kornmesser Astronomers have discovered a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The James Webb Space Telescope (JWST) has notched another milestone, capturing a direct image of ...