A massive 25,000-mile belt of volcanoes and earthquake zones surrounds the Pacific Ocean, where approximately 90% of the world's earthquakes occur. Known as the Ring of Fire, this volatile region ...

Earthquakes are rattling the Pacific from Alaska to California. Here's why the Ring of Fire is so active and what drives its frequent seismic activity.

Beginning last night, several earthquakes fired off along the active region from California to Indonesia, all ranging in magnitudes from 3.5 and higher.

The “ring of fire” eclipse—also known as an annular solar eclipse—is a month away, and although Hawaii is the only U.S. state that will be within the partial path of viewing, parts of Chile and ...

Skygazers in eight western U.S. states will be treated to a rare “ring of fire” eclipse on Saturday, Oct. 14. With the moon covering all but the outer edges of the sun, it will briefly look as though ...

The magnitude 8.8 earthquake that struck off Russia's Kamchatka Peninsula on July 29 may have been one of the 10 largest ever recorded on the planet, but it wasn't totally unprecedented. The ...

A new series of South Pacific earthquakes highlights a tectonic zone capable of generating devastating ocean-wide tsunamis.

Crowds of spectators gawped and cheered as they witnessed the "ring of fire" eclipse pass over parts of the U.S. on Saturday. The rare spectacle bathed millions of Americans in a lunar shadow as the ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

This story was updated to correct a misspelling/typo. For the first time since April's historic solar eclipse, another eclipse will be viewable to thousands across the globe this week when the "ring ...