A new study shows eruptions and wildfires altered the upper atmosphere, yet recent surface warming points elsewhere.

Aerial images show the devastation in Tonga left behind after a violent offshore volcanic eruption sparked a tsunami and clouded the sky with ash. Communications with the island nation have largely ...

Analysis has shown a boulder weighing almost 1,200 tons in Tonga is one of the largest known wave-transported rocks in the world, providing new insights into the Pacific region's history and risk of ...

The Hunga Volcano eruption in January 2022 off the coast of Tonga did more than produce a spectacular explosion visible from space. It exposed a category of natural disaster that scientists have long ...