The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...
The solar system may hold a hidden surprise. Astronomers are investigating the possibility of a mysterious ninth planet, often referred to as Planet Nine. If found, this discovery could change the ...
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 ...
Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...
Dec. 19, 2024 — New studies offer a clearer picture of how the outer solar system formed and evolved ... first attempts at interplanetary ... Dec. 9, 2024 — Dust storms on Mars could one ...
An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...
The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths ...
The building blocks of life could have been delivered to solar system dwarf planet Ceres by one or more space rocks from the outer asteroid belt. NASA OSIRIS-REx asteroid sample return team has ...