NASA’s latest Mars finding is notable less as a final answer than as a reminder of how the agency designed Perseverance to work: identify the most promising geology on the surface, test it with a ...
Viking 1 kicked off the search for Martian life 50 years ago. Now NASA’s shifting priorities are putting the quest in limbo.
NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...