The Arctic Ocean, though smallest, significantly influences global climate and hosts unique wildlife. Surrounded by Eurasia, ...

My husband and I have traveled all over and wanted to visit all 7 continents. We finally went to Antarctica, and it was amazing. ... We saw plenty of beautiful sights, but 5 stood out.

Nearly three-fourths of Earth is covered by oceans, making the planet look like a pale blue dot from space. But Japanese researchers have made a compelling case that Earth's oceans were once green ...