An image from Cassini of Saturn's icy moon Rhea A mystery on Saturn’s moon Rhea may have finally been solved. When NASA’s Cassini spacecraft flew past the planet’s second-largest moon before ...

An eighth-grader from San Diego County will be competing in the 97th annual Scripps National Spelling Bee near the nation's capital after being crowned the local champion in March.

Rhea escapes seem to be a relatively common occurrence in the U.K., making headlines in 2009, 2011, and 2012. This is the second rhea escape to make the U.K. papers this year .