A third of Americans still breathe unhealthy air after decades of improvements—which the Trump administration wants to roll ...

As spring arrives in Utah, one of the West’s most bizarre and fleeting spectacles begins: the greater sage grouse mating ...

Shrimp look an awful lot like bugs. The exoskeletons, jointed legs and compound eyes of both groups of living things give ...

The most common way to detect bird flu involves swabbing potentially contaminated sites and sequencing the DNA that’s been ...

A team of archaeologists and paleontologists from Argentina, the U.S. and China has unearthed the first known example of a ...

Mike Anderson takes us to a sharp-tailed grouse lek where the native birds are displaying during their annual mating rituals.

Fossils of alvarezsaurid dinosaurs show bird-like air sacs in their bones. Scans revealed hollow spaces connected to their ...

The Sacramento Bee went shopping for the most affordable eggs, milk, cheese, butter and chicken. Do you live near savings?

The avian world is a treasure trove of fascinating and often bizarre mating rituals. Explore the different types of bird ...

The best bet to save the imperiled species may be a system that pays farmers and ranchers to protect its grassland home.

By Brenden Bobby Reader Columnist Birds are fairly odd creatures, but among the odd are the oddest — strange and wacky evolutions that perfectly suit their ecological niche while appearing alien and ...

Portable air purifiers are good for helping air out your home, reducing or increasing humidity, limiting access to air pollution, and generally keeping your home air clean. However, you need to ...