Hawaii

As Kilauea erupts a 330-foot-tall fountain of lava, officials warn of hazards from volcanic gas that may affect nearby communities.

Every winter and spring, great white sharks that usually dwell off the coast of California gather in a remote section of ocean the size of Colorado — and scientists are slowly piecing together why.

New infrared images showcase "fire-breathing" lakes all across the surface of Jupiter's volcanic moon Io.

Biologists on Midway Atoll in the North Pacific Ocean have spotted a septuagenarian female Laysan albatross named Wisdom flirting with potential mates months after the end of the nesting season.

If we continue on our current trajectory, the sixth mass extinction is inevitable and the times we're living through now will be part of that geological period.

Photographs taken off Maui, Hawaii, show the first documented case of a male humpback whale sexually penetrating another male, with the latter appearing injured and covered in parasites.

A new, ultra-detailed map shows that 75% of U.S. states are at risk of damaging earthquakes, but some are at far more risk than others.

On an expedition in Hawaii, a remote underwater vehicle filmed a dumbo octopus swimming with its ear-like fins near the seafloor. The pale white creature is one of the deepest-dwelling octopuses on Earth.

The Landsat 8 satellite captured the deadly flames that burned through the town of Lahaina in Hawaii and killed at least 99 people.

These tiny crustaceans, also known as boxer crabs, use the venomous anenomes to protect themselves from predators and to eat with. They also wave them around while fighting with each other.