Minnesota’s North Shore is a 150-mile drive along Lake Superior. The route features waterfalls, cliffs, lighthouses, and ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Hawaiʻi Island is commonly called the Big Island. It’s a land of powerful contrasts: lava-sculpted coastlines, snow-capped ...

More than 400 earthquakes rattled Washington's Mount Rainier over just 12 hours on Tuesday, sparking fears that the ...

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?