The tiny grains are embedded inside pebbles found outside the rim of Jezero Crater.
It's goodbye to Lunar Gateway and hello to Moon base.
A new study investigated how the biggest solar storm in more than two decades impacted the Red Planet.
The microbes "proved very hard to kill."
Tardigrades are practically invincible on Earth, so scientists looked to outer space in search of their kryptonite.
Curiosity has been exploring a region filled with boxwork formations, which formed billions of years ago when water leaked through rock cracks.