Plants: From Algae to Trees in 1 Billion Years

The plant kingdom has a rich natural history all its own. Dec 16, 2015 12:00 PM ET // Sep 2, 2015 01:12 PM ET // A thin layer of …

Spring Colors Swirl in Picturesque North Atlantic

Plankton bloom in the eddies of the Gulf Stream in a new satellite image of the North Atlantic taken in May 2015. May 27, 2015 05…

Jellyfish on Boom-Bust Cycle Worldwide

Mastigias jellyfish flood Jellyfish Lake, a marine lake in Palau, an island nation in the Pacific Ocean. Mastigias jellyfish floo…

Will Jellyfish Rule the Ocean?

In 2000, a bloom of sea tomato jellyfish in Australia was so enormous — it stretched for more than 1,000 miles from north to sout…

Seas Are Rising at Fastest Pace in 2,800 Years

The world's oceans are rising at a faster rate than any time in the past 2,800 years, and might even have fallen without the …

In China, Australian PM Malcolm Turnbull urges greater openness

Chinese Premier Li Keqiang (L) accompanies Australian Prime Minister Malcolm Turnbull (R) to view an honour guard during a welcom…

San Francisco Streets Painted With Hidden Creeks

Artists will overlay the path of hidden creeks and arroyos on San Francisco's city streets, in a nod to waterways that used t…

Strange Visitors Appear in Warming Pacific

A green sea turtle like this one, usually found in warm waters to the south, recently was discovered near San Francisco. U.S. Fis…