Hawaii

The USGS has announced that Kilauea volcano is ejecting fountains of lava in a manner not seen since the Pu'u'ō'ō eruption in the 1980s. But while the lava is mesmerizing, officials warn that the volcano is also producing toxic gases and other hazards.

Our planet's core is rich in gold that can leak out into the mantle, and in some cases, end up in volcanos on the surface, according to a new study.

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.