WASHINGTON — The search for past or present life should be the top science objective of future human missions to Mars, a new National Academies report concludes.
The report, A Science Strategy for the Human Exploration of Mars,…

WASHINGTON — The search for past or present life should be the top science objective of future human missions to Mars, a new National Academies report concludes.
The report, A Science Strategy for the Human Exploration of Mars,…