Lake Salda, in southwestern Turkey, bears a close resemblance to Mars' Jezero crater, which is currently being sampled by ...

Prehistoric Pile Dwellings Around the Alps is one of Europe's least visited but most impressive UNESCO World Heritage Sites.

For decades agricultural waste and manure was dumped into this lake, which has caused issues for the city today.

Almost everywhere in California, salmon are on the decline. But in Putah Creek — a restored stream running through the ...