Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...

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

A unique characteristic of the candidate planet HD 137010b is its ice-cold temperature.

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 ...

The classical picture of star and planet formation suggests that a star’s rotational axis and the orbital planes of its planets should be aligned. However, exoplanetary systems have considerable ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." When you purchase through links on our site, we may earn an affiliate commission ...

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 ...

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

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 ...

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, ...