Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...
Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo missions—and they’re shaking up the search for life beyond Earth. The OSIRIS-REx ...
University of Alberta provides funding as a founding partner of The Conversation CA. University of Alberta provides funding as a member of The Conversation CA-FR. Our planet is unique for its ability ...
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