Scientists estimate that there are still 1.7 million unknown viruses that can spread from mammals and birds.
An Extreme Weather Event in the Pacific Brings Back Coral Species Thought to Be Extinct for 24 Years
A team of divers miraculously finds 100 colonies of rare coral species across Galapagos. Thanks to El Niño.
Mystics often attribute this orange color to 'Blood Moon,' or total lunar eclipse. But as it turns out, it is just simple ...
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