Excited for the August 21 eclipse? Visit our Eclipse 2017 page to explore the science, history, and myths of the event. The Curiosity team will be viewing the eclipse alongside NASA in Carbondale, Illinois. Follow us on Facebook for live videos, trivia, and interviews on the big day.
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Key Facts In This Video
There is no solid scientific consensus on why we sleep. 01:56
Black rhinos sleep for one to two hours laying down, and three to four hours standing up. 04:23
Dolphins engage in unihemispheric sleep, which means that one half of the brain is resting while the other half is alert. 08:01