If we ever received a radio message from an alien civilization, there'd be no one to tell humanity whether we had interpreted ...
On 1971, Mariner 9 became the first spacecraft to orbit Mars. At the time, scientists didn't know much about the Red Planet. NASA had several flybys before Mariner 9. Those flybys showed that Mars had ...
Space on MSN2d
Odd Elongated Martian Cloud Spied By OrbiterThe Mars Express orbiter has kept an eye on an elongated cloud above Arsia Mons volcano for the last few years. The cloud is ...
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