Media Gallery: Slideshows

Sep 20 2011 - 3:30pm
Evidence shows that life probably began in the ocean at least 3.5 billion years ago. Photosynthesis began more than 2.5 billion years ago—the Great Oxidation Event. But it took hundreds of millions...
Sep 29 2011 - 2:03pm
For nearly 30 years, National Geographic photojournalist Brian Skerry has been swimming with and photographing sharks, including great whites, tigers, bulls, blacktips, and great hammerheads all...
Oct 12 2011 - 4:56pm
In the spring of 2011, a research crew from Oceana spent two months in the brackish Baltic Sea . The Baltic faces challenges from pollution, algae blooms, over fishing, and invasive species. Oceana...
Dec 19 2011 - 4:13pm
For nearly 35 years, National Geographic photojournalist Brian Skerry has been immersing himself in the big blue to get the perfect underwater photograph. He admits that there will never will be a "...
Apr 20 2012 - 5:39pm
On April 20, 2010, an explosion on the oil-drilling rig Deepwater Horizon caused the largest marine oil spill in US history, gushing nearly 5 million barrels of crude oil over the course of three...
May 18 2012 - 4:43pm
Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the...
May 29 2012 - 1:19pm
Brian Skerry, an award winning photographer for National Geographic, explores the underwater world searching for the perfect photo. But getting that photo is never easy. Read more from Brian about...
Aug 2 2012 - 3:34pm
Nestled among the beautiful coral reefs of Papua New Guinea (PNG) is a place that could provide the key to our understanding of one of the biggest threats to coral reef survival: Ocean Acidification...
Aug 13 2012 - 9:30am
During the 2012 field season of the Deep Reef Observation Project (DROP) in Curaçao, Smithsonian scientists collected many specimens with the help of the Curasub . Prospective new species were caught...
Aug 29 2012 - 12:19pm
Holozooplankton are animals that live adrift in the ocean waves for their entire lives. The researchers who took part in the Census of Marine Zooplankton, a project of the Census of Marine Life ,...
Dec 13 2012 - 10:02am
Ocean creatures may not sing carols and go ice skating, but some celebrate the winter holidays all year round! So turn on the “Jingle Shell Rock” and celebrate with these intriguing ocean animals.
Jan 2 2013 - 12:01pm
By Lindsay Aylesworth, Project Seahorse The day I stepped into my wetsuit, donned my mask, and embarked on my first scuba dive was the day I decided to be a marine biologist. Little did I know that...