Tiny crabs and other sea life live next to a hot hydrothermal vent on the ocean's floor.

The Ocean Vents Where Life on Earth Likely Began

In a recent paper, biologists outlined a three-part hypothesis for how all life as we know it began.
Alvin, the Navy research submarine

A Cold War Baby: Happy Birthday, Alvin!

The submersible Alvin is sixty years old this year. Numerous overhauls and upgrades have kept the craft going down (and coming back up!).
New York City, the beach street dumping barge, 1866

A History of Garbage

The history of garbage dumps is the history of America.
How Mars may have looked about four billion years ago

How Mars Lost Its Magnetic Field—and Then Its Oceans

Chemical changes inside Mars's core caused it to lose its magnetic field. This, in turn, caused it to lose its oceans. But how?
Elizabeth Kapuʻuwailani Lindsey with her mentor, navigator-priest Pius "Mau" Piailug. Photo by Nick Kato

Pius “Mau” Piailug: Master Navigator of Micronesia

Mau used traditional skills to guide a canoe from Hawaiʻi to Tahiti, sharing his navigational knowledge with others to keep the wayfinding traditions alive.
Marshall Islands stick chart, Meddo type

Marshall Islands Wave Charts

Charts constructed of carefully bound sticks served as memory aids, allowing sailors of the Marshall Islands to navigate between the islands by feel.
An illustration of mermaids from Puck, 1911, by Gordon Ross

Mermaids: Myth, Kith and Kin

Ariel epitomizes mermaids now, but these beguiling creatures precede her by millennia, sparking imaginations the world over with a hearty embrace of otherness.
An illustration of a bathysphere, 1934

The New Oceanography: More Remote and More Inclusive

The days of celebrity oceanographers romancing the deep are gone, and maybe that’s a good thing.
View of the Pacific Ocean in Point Mugu State Park, Ventura County, CA

How Drought Could Make Sea-Level Rise Worse

Take southern California, for instance.
Scenic View Of Wind Turbines Against Sky During Sunset

How Wind Energy Could Affect Marine Ecosystems

As giant turbines pop up offshore, changes to underwater habitat and sediment will come, too.