Mars is a planet of extremes—towering volcanoes, vast canyons, and colossal dust storms that can wrap the planet in a reddish haze for weeks. But high above its rusty terrain, something far more ...

"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." When you purchase through links on our site, we may earn an affiliate commission.

Scientists have detected tiny lightning bolts on Mars for the first time — they were found discharging around NASA's Perseverance rover and coming from dust-storm fronts and whirling dust devils.