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

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.

Discover interesting facts about Mars, its moons, its atmosphere, and the possibilities of life.

BEIJING, July 24 (Xinhua) -- China successfully launched its first Mars mission on Thursday. Here are some fast facts about Mars and the mission: -- What is the terrain like on Mars? Mars has a ...

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) — 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.

Facts There have been nine successful US Mars landings: Viking 1 and Viking 2 (both 1976), Pathfinder (1997), Spirit and Opportunity (both 2004), Phoenix (2008), Curiosity (2012), InSight (2018 ...

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 There have been nine successful ...

So, why Mars? There are so many other pretty planets in our solar system alone, to say nothing of the trillions of others we now know are out there. Why is Mars the it planet for Earthlings? We ...