Fish can recognize themselves in photos, further evidence they may be self-aware

Ultra-rare 'rainbow clouds' light up the Arctic Circle like auroras in stunning new photos

In Photos: See The Jaw-Dropping ‘Snow Moon’ Rise From Across The World—But Why Was It So Small?

Tracking the Evolution of an Ocean Within Mimas Using the Herschel Impact Basin (new evidence for an underground ocean on Saturn's moon Mimas)