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A single-celled organism has eaten bacteria, which are easily visible because they were treated with green dye. Some bacteria can live within organisms, waiting to be released back into the…

Photographer Dave Owen rigging up his camera system on deck of Atlantis. Owen conducted extensive deep-sea camera operations on many expeditions, including three cruises between 1972 and 1974 near the…

Postdoctoral Investigator Sarah Cooley (right), of the Marine Chemistry & Geochemistry department, leads a group of teachers through a classroom laboratory exercise exploring ocean acidification and its effects on marine…

The WHOI-operated deep-sea vehicle ABE systematically tracked over the seafloor on the volcanic Mid-Atlantic Ridge, midway between Africa and South America, photographing the ocean bottom. Some 3,000 overlapping photos were…

The principal developers of the salinometer —Karl Schleicher, right, and Alvin Bradshaw— are at work with their first model, in the mid-1950s, in the main lab of the research vessel…

A beautiful, winter sunset casts an amber glow on the R/V Oceanus docked at the WHOI pier in January 2010. Oceanus is the North Atlantic workhorse of the WHOI-UNOLS fleet,…

Over the past two years, WHOI marine biogeochemist Mak Saito and his colleagues at J.C. Venter Institute have been studying life at the bottom of the food chain in Antarctica.…

Research Assistant Skye Moret-Ferguson of the Geology & Geophysics department prepares a core for analysis in the X-ray fluorescence (XRF) core scanner. The scanner, which produces nondestructive, high-resolution elemental analysis,…

Stephen R. Okkonen of the Institute of Marine Science at the University of Alaska Fairbanks and Guest Investigator Robert Campbell from the University of Rhode Island deploy a conductivity/temperature/depth (CTD)…

The R/V Knorr steams away from the coast of Cape Dyer, Baffin Island—the largest island in Canada—in October 2009. The ship was in the area to recover a series of…

WHOI marine biogeochemist Mak Saito snapped this image of two Emperor penguins while working in Antarctica in November 2009. Over the past two years, Saito and his colleagues have shared…

R/V Knorr bosun Pete Liarikos and University of Washington engineer Eric Boget move a mooring anchor into position for deployment as part of the Arctic Gateways program. The anchors, which…

For his graduate research, WHOI postdoctoral investigator Jonathan Blythe studied the intertidal barnacle Semibalanus balanoides at Gardiner Beach in Woods Hole. He focused on the transition between the larval and…

Able-Bodied Seaman Mike Singleton (in silhouette) on board the R/V Knorr keeps lookout as Captain Kent Sheasley prepares to dock the ship at the WHOI pier following a month of…

Leaving the chilly coast of Dutch Harbor, Alaska, the R/V Knorr heads for the warmer waters of Hawaii in July 2009. Built in 1969 and delivered to Woods Hole the…

WHOI Researcher Philip Alatalo, left, and Guest Investigator Robert Campbell from the University of Rhode Island deploy a Tucker Trawl in an effort to catch krill during a recent cruise…

With a wake of broken ice straight behind the ship, the U.S. Coast Guard Cutter Healy heads home after a 38-day expedition to study how climate change is affecting the…

In this Dec. 17 snapshot of activity in the Marine Research Facility Necropsy Lab, researchers investigate the body of a common dolphin that died the day before in Harwich. The animal…