Carbon dioxide may be a naturally occurring substance on Earth, but too much of its presence has contributed to global ...

Researchers say groundwater extraction is largely to blame for the sink.

The interior of asteroid Vesta has been shown not to be a protoplanet after all, meaning that new explanations for its origin ...

The problem with this line of reasoning, analysts say, is that while the country is pumping more than ever before, there’s less to tap compared with other countries’ reserves. The U.S. is reliant on ...