On November 16, 1974, humans sent their first message to the stars in an attempt to contact extraterrestrials. They did this ...
This week, revisit what you know about Uranus, explore the far side of the moon, rediscover the famed fossil known as Lucy, ...
Editor in chief Nancy Shute recounts the 50-year anniversary of the hominid's discovery, which upended the study of human evolution.
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