The Valais local government said the damage is "considerable," with one person missing and homes under debris.

A huge mass of rock and ice from a glacier thundered down a Swiss mountainside, coating with mud nearly all of an Alpine ...

A 64-year-old man remains missing after a huge mass of rock and ice from a glacier crashed down a Swiss mountainside the day ...

Video on social media and Swiss TV showed the mudslide near Blatten, in the southern Lötschental valley, with homes and buildings partially submerged under a mass of brownish sludge.

Volcanic ash from eruptions can reshape cirrus clouds, forming giant ice crystals and altering how Earth traps heat in the ...