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 ...

New Zealand and Australia were able to send military surveillance flights to Tonga on Monday to assess the damage a huge undersea volcanic eruption left in the Pacific island nation. A towering ash ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

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 Tonga-Hunga Ha'apai volcano erupted for the second time in 2 days, triggering a tsunami that hit the South Pacific Kingdom of Tonga. NOAA's GOES-West satellite captured imagery of the ...

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