Scientists have identified another possible commonality between Earth and Mars: a solid inner core. Scientists have identified another possible commonality between Earth and Mars: a solid inner core.

For the first time on a global scale, 20 years of observations on Mars have been condensed into a single study led by ...

A wider view of the Gale crater reveals how much Mars looks like Earth. The highest peak in the background is known as Mount Sharp at five kilometres high. Scientists believe Mount Sharp was ...