Volcanoes inspire awe with spectacular eruptions and incandescent rivers of lava, but often their deadliest hazard is what ...

When a large volcano erupts, as Mount Spurr appears close to doing about 80 miles from Anchorage, Alaska, it can ...

Ukraine claims its forces have hit the Russian brigade behind a widely criticised missile strike on the city of Sumy on Sunday that killed more than 30 people. Meanwhile, Donald Trump's envoy ...