Scientists valued monarch butterflies at up to $6.64 billion, yet their population just hit a near 30-year low. Here's the ...

Few sounds say American summer like a mower running somewhere down the street on a Saturday morning. The machine promised something simple and satisfying, a neat, even carpet of green the whole block ...

A wind farm in Wales stands on top of a 5,000-year-old stone alignment stretching 2,300 feet, and no one knows how the amazing structure was built.

Thousands of dark solar panels sit on the water, tethered in neat rows, turning sunlight into electricity for the city's taps.

Scientists recorded a mysterious sound that crossed the Pacific Ocean. Here’s what this ocean signal really was and how it was finally fully explained.

Dozens of US towns are giving away free lots. In Kansas, those patches of grass sit on one of North America's most endangered ecosystems, and the wildlife inside them is extraordinary.

Discover how your home's coal stove might be contributing to oceanic iron levels and fueling phytoplankton blooms that scientists overlooked.

A Maryland startup is shipping the first commercial batches of Superwood, a densified timber that stops bullets, resists fire, and beats steel strength-to-weight. Here's the story.

They were installing solar panels in Italy when they discovered stone-filled structures that had remained intact for 2,500 years. What did we learn?

Coral reefs have been producing a hidden language for many years, and this AI discovery shows how scientists are finally beginning to better understand it.

A comet screaming in from another star system carried alien ice ratios never seen before. What scientists found inside its spinning nucleus is reshaping how we picture worlds beyond our sun.

A hole in the Pacific Ocean floor off Oregon is releasing superheated water from deep inside a fault. Here's what it tells us ...