Oceans

A new study on grey reef sharks turned up a few surprises.

Ocean Preserves Keep Fishing Boats Away from Grey Reef Sharks

Scientists tracked hundreds of reef sharks to find that massive marine refuges can work—with one caveat

Though coral usually needs light to thrive, the Amazon Reef survives despite murky waters.

Underwater Images Give First Glimpse of Newly Discovered Brazilian Reef

The Amazon Reef once shocked scientists. Now, for the first time, we know what it looks like

Hyman G. Rickover created the U.S. Navy's nuclear program, but remained ambivalent about it throughout his life

Happy(?) Birthday to the Father of the Nuclear Navy

Hyman G. Rickover pushed to nuclearize the Navy's submarines, but admitted he’d rather ‘sink them all’ to protect humanity

2016 broke temperature records on land and sea, report both NOAA and NASA.

2016 Was the Hottest Year Ever Recorded

Never in modern memory has the Earth's surface and sea temperature been so high

Nearly 100 false killer whales are currently stranded in the Everglades in the worst Florida stranding of its kind.

Scores of Dolphins Are Stranded in the Everglades

So far, at least 82 false killer whales have died

A ruby seadragon, Phyllopteryx dewysea that washed up on the Point Culver cliffs in Western Australia.

Watch the First Footage of the Rare Ruby Seadragon Alive in the Wild

The sneaky critter has never been seen in its natural habitat before

Scarce resources could push killer whales into menopause.

Orca Moms Might Go Into Menopause Because of Their Daughters

Competition could explain this evolutionary mystery

Warming Oceans Could Make These Seafood Favorites Toxic

New study links rising temperatures to dangerous toxins

Workers on a NOAA ocean buoy

New Study Confirms There Was No Global Warming Hiatus

An independent evaluation of NOAA's disputed data further supports the steady upward march of temperatures

This year we've seen swelling efforts to protect vast swaths of ocean. Are they scientifically sound?

Do Ocean Preserves Actually Work?

The U.S. now leads the world in protected marine areas. But are they a scientifically sound strategy?

Why Were Electric Cars Once Advertised as 'Ladies' Cars'?

Your questions answered by our experts

Because Cystisoma live far from shore, scientists have just begun to study them in their natural habitat.

The Master of Disguise of the Ocean Reveals Its Secrets

A marine creature’s unusual defense is becoming perfectly clear

J2, better known as "Granny," was the oldest-known living orca.

World’s Oldest-Known Orca Is Missing and Believed Dead

Over a century old, "Granny" hasn't been spotted since early October

Ocean Legacy has a task not even Sisyphean would envy: picking up, sorting and recycling the vast amount of plastic that ends up on our shores.

Turning Ocean Garbage Into Gold

From the common plastic water bottle to the shoes of tsunami victims, one recycling organization tries to find a home for all ocean refuse

Leah Desrochers, a former employee of the Massachusetts Audubon Society, holds a stranded Kemp's ridley sea turtle.

Why Are Endangered Sea Turtles Showing Up Cold and Seemingly Lifeless on Northeastern Shores?

In the past three decades, scientists have confronted a worsening epidemic of stranded Kemp's ridley sea turtles

Dwarf minke whale

Unidentified Complex Sound From Earth's Deepest Trench May Be New Whale Call

Known as the Western Pacific Biotwang, researchers believe it may be a previously unrecoreded call from a dwarf minke whale

Watch Rare Footage of the Mysterious Ghost Shark Gliding Through the Deep

Researchers spotted the grey-blue creature off the coast of California—far from its usual haunts in the Southern hemisphere

New species of scaleworm, Peinaleopolynoe.

Six New Deep Sea Creatures Just Discovered at Site Slated for Underwater Mining

Seafloor hot springs are rife with life

This year, the Great Barrier Reef was found to be hiding another reef beneath it.

Top Eight Ocean Stories That Made Waves in 2016

2016 wasn't all bad: Stubborn environmental problems were livened up thanks to new solutions, “gee whiz” discoveries and mysterious orbs

Not the largest wave ever recorded

Sixty-Two-Foot Wave Sets New Record

A sensor in the North Atlantic detected a set of waves averaging over six stories tall, setting a new record for a buoy-measured wave

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