When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Stay sharp! You may be needed to help decode a message from intelligent aliens someday. The work ...

A close-up image from NASA’s Mars Reconnaissance Orbiter of a recent 150-meter diameter impact crater near Amazonis Mensa and Medusae Fossae is another great example of geologic complexity of Mars.

A new project aims to help prepare humanity for the day — should it ever come — that we make contact with intelligent aliens. At 3 p.m. EDT (1900 GMT) on Wednesday (May 24), Europe's Trace Gas Orbiter ...