GLOBAL EYE

A detailed study of rocks on the Red Planet has revealed intricate patterns resembling leopard spots – “the clearest sign of life we’ve ever found on Mars,” according to NASA’s acting administrator Se

YOUR QUESTIONS

From strange lights in the sky to rocks that spontaneously glide across the ground, the mysteries scientists are trying to finally crack

Amazing answers to your curious questions

We’ve had a few false alarms before – including fossilised microbes and signs of carbon dioxide production in Martian rocks – but NASA has now cautiously suggested it’s found signs that life once exis