The Kilauea volcano in Hawaii – one of the most active volcanoes on Earth – has erupted again. There have already been nine ...

Earth's inner core has changed shape over the past 20 years. A team of scientists studied the core's behavior to understand why its rotation slowed down ...

A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 ...