Despite its dry, dusty surface and thinner atmosphere, Mars may have more in common with Earth than scientists previously ...

Mars may be dry, dusty, and far from hospitable today, but new research suggests it once shared more in common with Earth ...

On Earth, these patterns shape everything from storms to seasonal changes. A new study now reveals how air circulates on Mars, uncovering surprising differences between the two planets.

Terrestrial planets include Mercury, Venus, Earth, and Mars. These planets are relatively ... are also present. Differences in the amounts of these trace gases and variations in the temperatures ...