A new paper revealed that human activities are making Earth's air, soil and freshwater saltier, which could pose an 'existential threat' if current trends continue. Geologic and hydrologic processes ...

At first glance, Titan, Saturn's largest moon, looks remarkably like Earth. Its surface is covered by winding rivers, dotted ...

Eleven candidates are running in Washington state’s most conservative congressional district during a midterm election cycle ...

The price of Brent crude rose above $98 a barrel after Iran’s Houthi allies in Yemen claimed strikes on two Saudi tankers. Overnight, the U.S. and Iran showed no letup in their fighting.

A major new study led by Swansea University has shown that upstream river management, rather than local rainfall, is the ...

Ancient volcanic rocks from Western Australia suggest that water was reaching deep into Earth’s interior more than three ...