How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is ...

"All signs were pointing to the sun going into a prolonged phase of low activity," said Jamies Jasinski of NASA's Jet ...

On the morning of May 18, 1980, the most destructive volcanic eruption in United States history killed 57 people in Washington State. The enormous column of ash that was unleashed by Mount St. Helens ...

For a moment, it seemed like a blast from the past: a plume over Mount St. Helens on Tuesday looked like the volcano might be ...

Joshua Patterson battled extreme altitudes across volcanic terrains to fundraise for bereaved parents in dedication of his ...

Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky haze that obscured its summit.

Ash from the catastrophic 1980 eruption of Mount St. Helens began to swirl around the volcano this week, creating a smoky ...

The USGS issued an alert midday Tuesday that strong easterly-southeasterly winds in the area of Mt. St. Helens was picking up ...

A powerful eruption from Japan’s Shinmoedake volcano sent a massive ash plume over 3 miles into the sky, covering cities and prompting urgent warnings. Roads disappeared under thick ash, and large ...

How did humans become human? Understanding when, where and in what environmental conditions our early ancestors lived is ...

Travel across Hawaii in 4K with aerial footage capturing volcanic slopes, black sand beaches, lush rainforests, and rugged ...

Strong winds across parts of Washington state have kicked up volcanic ash deposited during the 1980 Mount St. Helens eruption ...