Martian rocks keep hitting Earth, but something doesn’t add up
With roughly 200 bombardments that create 4-meter craters each year, the Martian surface is constantly spewing more rock into space
NASA may have unknowingly found and killed alien life on Mars 50 years ago, scientist claims
After landing on the Red Planet in 1976, NASA's Viking landers may have sampled tiny, dry-resistant life-forms hiding inside Martian rocks
NASA’s Perseverance Rover finds preserved organic molecules on Mars
It's not preserved matter from biological organisms, but the discovery is a boost to the rover's mission: finding signs of ancient life on Mars