Then Klos went on her first mission to Mars. Karen Rucker looks up at the ... Klos The missions are open to people who have no background in science, engineering or astronaut training.

Mars' magnetic mystery may finally have a solution—scientists now think the Red Planet’s ancient magnetic field only existed ...

A wider view of the Gale crater reveals how much Mars looks like Earth. The highest peak in the background is known ... There are no postcard-perfect orange sunsets here. The days (known as ...

The Close Approach happens every two years, but Tuesday's encounter at 38.6 million miles away will be the closest to Earth that Mars gets until 2035 Joelle Goldstein is a Senior News Editor on ...

In a nutshell Mars likely never developed a solid inner core during its early history, meaning its magnetic field was generated by a fully molten core, unlike Earth’s layered core structure. This ...

A mission will deliver rock and soil from Mars to laboratories on Earth in the 2030s. Mars Sample Return (MSR ... so there is ...

"The differences between Mars and Earth are even greater than we thought. There is more asymmetry between the southern and northern hemispheres than previously believed," explains Pedro Machado ...