While initial studies and reports indicated that glaciers on Mars were composed mainly of rock and dust, recent planetary ...

The rusty world is full of mysteries—and some of the solar system's most extreme geology. Learn more about Earth's smaller, ...

Mars is a planet with so much more to discover. Research has been done on the planet to test its sustainability for life, and more continues today.

In the 1960s, humans set out to discover what the red planet has to teach us. Now, NASA is hoping to land the first humans on ...

Here's some background information about Mars exploration. The United States and the Soviet Union are the only two countries to land a spacecraft on Mars.

CNN Editorial Research (CNN) — Here’s some background information about Mars exploration. The United States, Soviet Union and China are the only ...

Two samples from Mars together deliver the "smoking gun" in a new study showing the origin of Martian organic material. The study presents solid evidence for a prediction made over a ...

(CNN) — Here’s a look at the exploration of Mars. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars.

(CNN) — Here’s some background information about Mars exploration. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars. There have been nine ...

CNN Editorial Research (CNN) — Here’s some background information about Mars exploration. The United States, Soviet Union and China are the only three countries to land a spacecraft on Mars ...

CNN Editorial Research (CNN) — Here’s some background information about Mars exploration. The United States and the Soviet Union are the only two countries to land a spacecraft on Mars. Facts ...