The story of the red planet, it turns out, may be due for a revision. At one time, experts thought that Mars was covered with fields of rocks with iron trapped inside. Somehow or other, and over a ...

The JWST has spotted the presence of carbon dioxide on HR 8799’s four known planets, part of a system astronomers use to ...

A new study claims that a mineral found in Mars' dust called ferrihydrite, which forms in the presence of cool water, is likely what gives the planet its reddish hue.

When locating the planets in the sky, the red color of Mars makes it easy to identify. Jupiter and Saturn will look like bright white stars. Saturn will be low in the sky, so finding a place to ...