When you buy through links on our articles, Future and its syndication partners may earn a commission. Frozen sand dunes sit locked in place in Mars' northern hemisphere, stuck until the spring thaw ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Mars has wave-like soil patterns that match those found on Earth. This image, taken from the Mars ...

Some of this footage was filmed before 2024, and was correct at the time of filming Mars is one of our closest neighbours, the fourth planet from the Sun, with only robotic explorers having explored ...