NASA has shared stunning images of a lava flow on the snow-covered summit of Mount Etna. Located in Sicily, Mount Etna is one of the most active volcanoes in Europe and this new geological feature has ...

While residents in the Palisades and Eaton fire areas can use tap water for some limited purposes, the detection of a ...

From the Paris Olympics and smokeless stoves to DIY fizzy water and cybersecurity, here are some of the best examples of the ...

Backflow prevention devices can help solve that, said Andrew Whelton, an engineering professor at Purdue University. The devices are installed at water meters and only allow water to flow in one ...