"I don't think you understand. They are special." Onlooker captures photos of tourists' entitled behavior in national park: ...

He's in direct violation of all the rules,' one aghast observer said. 'I've never seen anything quite as stupid as this.' ...

Researchers reveal that tens of millions of Americans live close to fossil fuel infrastructure spanning extraction, refining, ...

The bucolic river is famous for reversing its current a few times each day. Now, an ongoing cleanup effort is reversing ...

Fossil fuels release pollutants into the air when extracted and burned, but there's more to their production than massive oil ...

It used to be that drawing heat from deep in the Earth was practical only in geyser-filled places such as Iceland. But new ...