Indonesia’s Toba supervolcano remained active for thousands of years after its massive eruption about 74,000 years ago. Some ...

On Tuesday night, three volcanoes in Indonesia displayed explosive activity within a few hours, leading to increased ...

Coronal mass ejections are massive expulsions of plasma and magnetic fields from the Sun’s lower corona.

Our sun is capable of storms far bigger than we've ever recorded. Studying the world's oldest trees suggests we could soon be ...

Jackson Police Chief RaShall Brackney explains how social media and personal disputes shape views on violent crime.

Comet 220P McNaught has become the brightest comet visible from Earth with binoculars after two rare outbursts in three ...

NOAA forecasters are predicting elevated geomagnetic activity on Tuesday, Aug. 18 ...

Erupting or silent, volcanoes have always captured our imagination. As volcanologists, we have seen how that fascination can ...

When that energy reaches the ground, some of it is converted into seismic waves that ripple through the soil and rock beneath ...

What happens to a space rock as it falls through Earth's atmosphere and becomes a meteorite? By studying 75 meteorite falls captured on video and in photographs, researchers identified seven distinct ...

Here’s where the August 12 eclipse will be visible, what viewers can expect—and why even a partial eclipse requires proper eye protection.

Ten solar eruptions merged and interacted on their way to Earth, helping fuel the powerful geomagnetic storm and spectacular ...