When exposed to high temperatures and pressure, water enters a state in which liquid and gas can no longer be distinguished. For a long time, there has been controversy about how this looks like on a ...

Supercritical water, a mysterious state where water behaves like both a liquid and gas, has long puzzled scientists.

This story was produced in partnership with the Pulitzer Center. It is part three in a four-part series. Read part one here ...

The Trump Administration’s vow to approve more natural-gas pipelines has stirred opposition in the lower Hudson Valley, with ...

One company wants small nuclear reactors to power the energy-intensive process of purifying vast volumes of toxic “produced ...

Researchers at Ruhr University Bochum, Germany, have shed light on the structure of supercritical water. In this state, which ...

Municipal water service costs a lot more than it did just a few years ago, and the price hikes will keep on coming.

Even in states that require public disclosure, oil and gas companies are not typically required to share chemicals that are considered “trade secrets.” Produced water is also exempt from ...

The Japanese manufacturer Rinnai, which makes gas devices including tankless water heaters, and the California Manufacturers ...

Changing from gas to climate-friendly electric appliances often involves expensive retrofits. A growing list of companies ...

A car drives by a pot hole filled with rain water on Thursday ... To make up for lost revenue, 34 states have raised their gas tax since 2013, according to the National Conference of State ...