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' ...

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

Baker said that there are other astronomical events that may be more interesting than the parade of planets. Baker said Mars ...

Keep your eyes on the sky. Six planets in our solar system are coming into alignment and will be visible from Earth. AccuWeather says Saturn, Venus, Neptune, Uranus, Jupiter and Mars will be ...

The planet is the seventh largest and is currently inhabited solely by robots. However, the space agency is working hard to ...

NASA is working on an exciting mission to send humans to Mars in the next few decades. To make this happen, the agency is ...

offering insights that could reshape our understanding of the Earth-Moon system and the broader solar system. The ... A 'Remelting' of Lunar Surface Adds a Wrinkle to Mystery of Moon's True Age ...

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

For much of January and February, you have the chance to see six planets in our solar system after dark, although two — Uranus and Neptune — will be hard to see without a telescope or high-powered ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

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