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

Mars' southern hemisphere absorbs a lot of the sun's energy during the Red Planet's spring, and that may be causing Mars' ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.

Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...

Stargazers will be treated to a dazzling six-planet "alignment" this January.

Mars's atmosphere and climate are impacted by interactions with solar wind, a stream of plasma comprised of protons and ...

The solar system consists of 8 planets, including Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Each ...

A rare celestial event is captivating stargazers as six planets align in a striking display, says Professor Chandana ...

All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

Stock illustration of all the solar system's planets. Mars, Venus, Jupiter, Saturn, Uranus and Neptune will be visible all at once this month. Stock illustration of all the solar system's planets.

Pluto-Charon Formation Scenario Mimics Earth-Moon System Jan ... Dust storms on Mars could one day pose dangers to human astronauts, damaging equipment and burying solar panels.