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The discovery of a new species of rare and elusive whale in the North Pacific shows how little humans know about the deep and vast ocean, researchers say.
Scientists still know very little about the ocean, but here are some of the most peculiar things they've discovered.
As shark attacks dominate Australian headlines, an annual survey reports that there were more shark attacks worldwide in 2015 than in any other year on record.
An unusual sponge was making waves in waters near the Hawaiian Islands — though it doesn't wear square pants and is far too big to live in a pineapple under the sea.
The East Coast is sinking, which is worsening the impacts of sea level rise. These are the hot spots.
Australia's Great Barrier Reef corals are in trouble, with the northern part of the reef experiencing "the worst mass bleaching event in its history."
A recent high-profile study led by US climatologist James Hansen has warned that sea levels could rise by several meters by the end of this century. How realistic is this scenario?
At least 10,000 sharks have gathered in waters off the southern coast of Florida — but don't panic. They’re annual visitors that migrate south for the winter.
El Niño is expected to be more beast than "little boy" this year — a forecast about the weather pattern that becomes clear in newly released maps of the waters around the equatorial Pacific Ocean.