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Interesting facts about planet Mars

Mars is a constant point of discussion for space explorers around the world. We've sent dozens of spacecraft there to study it. Some want to land astronauts on it. The planet is just far away to make that ...

Feb 16, 2015
4.1 / 5 (11) 7

Good news and bad news for coral reefs

Some good news for coral reefs: In 2014, President Obama expanded the Pacific Remote Islands Marine National Monument in the central Pacific from about 87,000 square miles to 308,000 square miles. The Monument ...

Feb 10, 2015
5 / 5 (1) 0