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

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

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

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

Sometimes, the best innovative ideas come from synthesizing two previous ones. We've reported before on the idea of having a ...

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 ...

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

The contrast between two clusters of marsquakes has led two scientists to suspect the internal structure of the Red Planet is ...

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.

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

Worlds will align for a "planetary parade" in January, with four bright and easily visible to the naked eye. But an even ...