Scientists take to sea to study a massive fault in the U.S.'s backyard.

Discovery may mean scientists are moving closer to predicting underwater eruptions.

Explorer tells of encounters with venomous snakes and more dangerous semi trucks.

No end in sight for some affected areas.

Greenland more impervious to warming than previously thought.

Eyes in the skies help diagnose a storm's potential fury.

Collapsing ice shelves bring a world of pain for glaciers.

It turns out humans can harness the power of the Earth, in sometimes scary ways.

Reduced ice cover is part of a years-long trend.

Separate fact from fiction in a look at owl-keeping in the real world.

The subsea mountains are young and active, researchers say.

World's unidentified plants mostly live in the danger zone.

Thrill seekers? Not these turtles. They stick to their routes.

DNA shows whales returning to ancestral waters around New Zealand.

In an ironic twist, water could spell disaster for fire-ravaged country.

These gentle giants pull decades-long disappearing acts.

Scientists spied on some of the ocean's most iconic animals.

Tropical Storm Beatriz predicted to soon be Hurricane Beatriz.

Mysterious and fleeting, the phenomenon was caught on film.

Fire-starter, Storm-starter? Weather and wildfires have a cozy relationship.

This giant and bizarre plant smells of rotting flesh.

The remote coral reef in Fiji is home to big fish and lots of them.

Planet's oceans are vast and ripe for discovery, scientists say.

Scientists seek to better understand narwhales, the tusked "unicorns of the sea."