Human colonization may still be a way off, but NASA has been exploring Mars with a series of ever-larger mobile science labs. Some are still going.
NASA is celebrating the 50th anniversary of Viking 1, the first spacecraft to successfully land on Mars and begin exploring ...
Half a century after the first successful Mars landing, Viking's greatest legacy may be the questions it taught us to ask.
Update on 14 February: Two crew members made their first “Mars walk” on the 10-metre-long by 6-metre-wide simulated Martian surface at 1300 Moscow time. It lasted for one hour and 12 minutes. The next ...
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