In searches for past and present Martian life, some scientists say we’ve been too cautious to see what’s right in front of us ...

Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.

Add Yahoo as a preferred source to see more of our stories on Google. Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once held ...

ESA's Rosalind Franklin rover will investigate possible signs of life in Martian clay.

Could Martian mudstones be holding evidence of ancient microbes? New findings strengthen the case that the Red Planet once held life. New data from NASA's Perseverance rover has revealed complex ...

Two NASA rovers have strengthened the case that ancient Mars may have supported life. While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, long-lasting ...

After drilling a rock sample from a spot on Mars nicknamed “Mary Anning,” NASA’s Curiosity rover took this selfie on October 25, 2020. Now, that sample has revealed organic molecules that have never ...

It was America’s bicentennial, July 4, 1976, and NASA was hoping not to see fireworks. After a 10-month traverse through space, the Viking 1 lander was ready to become the first spacecraft to operate ...

Mars may be hostile, but it might not be entirely unlivable. In lab experiments, yeast cells survived simulated Martian shock waves and toxic perchlorate salts—two major environmental threats on the ...