Volcanoes, with their sheer power and captivating beauty, have mesmerized the human imagination for centuries. These ...

A volcano in northern Ethiopia erupted Sunday, marking its first known eruption in 12,000 years. The volcano, called Hayli ...

Geodesy is the science of accurately measuring and understanding the Earth’s geometric shape, gravity field, and orientation in space — and how these change through time. Many geodesists today map ...

HILO When you think of GPS, what typically comes to mind? Your phone, the navigation in your car or maybe your watch? In addition to the US constellation, there are 3 other Global Navigation Satellite ...

Experts say another eruption from Hawaii's Kilauea volcano is imminent, as livestream footage shows lava beginning to flow ...

Think about a mountain that keeps getting taller but never explodes. This might sound impossible, yet it happens more often than most people realize. Volcanoes don't always follow the same playbook of ...

How do volcanologists know what a volcano is going to do? Each volcano, like each individual person, has its own unique “personality.” You may know, for example, that you can tease your brother ...