Readers have asked about Arizona's cleaner-burning gasoline formulas. Do they improve air quality, health and greenhouse gas ...

Parts of the United States have gotten an early taste of summer weather, as temperatures and humidity are on the rise. Summer ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

Fuel cells that run on hydrogen are efficient and emit water vapor instead of exhaust. But so far, the technology is still ...

In the event of an emergency or if you're just looking to save money, here's the best way to make distilled water at home.

Halemaʻumaʻu eruption reaches new heights; HVO updates volcano alert notifications - Features | Hawaii Tribune-Herald ...

Noctilucent cloud season is upon us. If you’re in the Northern Hemisphere this summer, keep your head to the skies at sunset ...

In a major leap forward, scientists, using the Event Horizon Telescope (EHT), have captured the sharpest images yet of ...

If the U.S. could tap into just 2 percent of the geothermal power beneath Earth’s crust, it could supply more than 2,000 ...

A new study published in the journal Communications Earth and Environment reveals that penguins might also be helping to form ...

No matter what kind of car you drive, gas pumps can tell when your tank is full. So how does the gas pump know when to stop?

Retail gasoline prices will be around $3.14/gal over the summer, according to the U.S. Energy Information Administration.