Antarctica’s hidden forces: Spanish scientist reveals to AS what decades of research are uncovering beneath the ice.

The Supreme Court's decision has led questions over whether people can get a refund over the unlawful tariffs.

Back in January, SFGATE was on the ground in the national park during a previous eruption episode that also rained tephra ...

Hawaii Island's Kilauea volcano erupted on March 10, spewing rock fragments and closing nearby highways.

Hawaii's Kīlauea volcano eruption sent lava 1,000 feet into the air and forced officials to close parts of the national park.

Authorities reported tephra fall—including ash, Pele’s hair, and larger fragments—across Hawaiʻi Volcanoes National Park.

The eruptions at Kilauea prompted closures at a national park and part of a highway because of falling glassy volcanic fragments, including ash.

Kilauea volcano erupted Tuesday on Hawaii's Big Island, shooting lava fountains up to 1,000 feet high and sending ash and volcanic debris across nearby communities.

A powerful volcano erupts under the dark night sky, sending bright molten lava and sparks into the air. The glowing lava flows down the rocky surface, creating a dramatic and intense natural scene.

Visual observations have been a backbone in studies of volcanoes, from 2,000 years ago to now. They remain fundamental to understanding how volcanoes work, and technological advancements, such as ...

Highways were closed and flights canceled after Kilauea volcano began erupting for the 43rd time Tuesday in Hawaii, creating hazardous conditions.

Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...