Add Yahoo as a preferred source to see more of our stories on Google. The European Space Agency’s Mars Express orbiter captured this view of Mars’ south polar ice cap Feb. 25, 2015. Three years later, ...

Mars is the fourth planet from the sun and has a distinct rusty red appearance and two unusual moons. The Red Planet is a cold, desert world within our solar system. It has a very thin atmosphere, but ...

Hints of buried water on Mars have swung between tantalizing and controversial, but one idea keeps resurfacing: lakes could persist if they sit beneath a protective lid of ice. Instead of needing a ...

Changes in Mars’ axial tilt (obliquity) drive shifts between polar ice caps at low obliquity and widespread mid-latitude glaciation at high obliquity. These cycles result in ice accumulating inside ...

This image, combining data from two instruments aboard NASA's Mars Global Surveyor, depicts an orbital view of the north polar region of Mars. The ice-rich polar cap (the quasi-circular white area at ...

Imagine reshaping an entire planet to make it a new home for humanity. This video explores the audacious proposal to use ...