The Mars Express orbiter launched to the Red Planet. Twenty years later, ESA has delivered a high resolution color image of Mars along with a time-lapse of "webcam" images that were released in near ...

Mars' dramatic north-south divide has puzzled scientists for half a century. However, they may now have a conclusive answer.

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

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

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

The United States will once again consider itself a growing nation, one that increases our wealth, expands our territory, ...

Living on Mars will be no easy feat. Building viable living quarters would require an inflatable habitat that can be covered ...

Images of Mars taken from orbit show thousands of mounds in a region sculpted by water billions of years ago. A robotic mission may investigate the area one day.

Stargazers are in or a treat as six planets - Venus ... offering fresh support for theories that Mars once had vast bodies of water. Studying images and radar data from Utopia Planitia, the ...

One lucky East Lancashire stargazer caught a glimpse of the rare celestial phenomenon - the planetary alignment.