22 people are enough to build and sustain Martian colony

'Building blocks of life' discovered on Mars in 10 different rock samples - NASA's Perseverance rover has found an intriguing menagerie of organic molecules in a Martian crater, but their source remains unclear.

NASA's HiRISE camera recently imaged a Martian dust devil. But why study them?

Martian dunes indicative of wind regime shift in line with end of ice age