The American Lung Assn.'s 2026 State of the Air report again graded L.A. as having some of the worst air quality in the ...

Rather than slowly condensing over millions of years, the first building blocks of Earth and other planets may have formed ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist’s concept shows the inner regions of a ...

The environmental crises of the past often seem to disappear—have problems like acid rain and smog been solved?

Federal actions threaten progress in protecting Texas children from air pollution, according to the American Lung Association’s “State of the Air” report.

A new study suggests that aerobic respiration began hundreds of millions of years before oxygen became abundant in Earth’s ...

For many years, the search for extraterrestrial life has been based on the relatively straightforward premise that if a ...

A major discovery is reshaping how scientists think about catalysts. Researchers have, for the first time, captured oxygen ...

The Mediterranean has always felt like a place where history refuses to stay buried. For centuries, sailors, empires, and ...

Learn the differences between stainless steel grades 304 and 316, plus 316L, duplex, ferritic, and high-performance alloys ...

While old predictions talk about disasters, scientists say the real danger is a very slow change over billions of years.