Astronomers may be closing in on a long-standing cosmic mystery: why some of the universe’s biggest galaxies seem to have far ...

Scientists may have uncovered a hidden trigger behind Alzheimer’s disease. Instead of plaques being the root cause, amyloid ...

A new study suggests Southern California's major fault system is more stressed than at any point in the last 1,000 years.

A historic lack of snow in the Gila River watershed has left Arizona’s San Carlos Reservoir less than 1% full, triggering a ...

Researchers have created a new way to reconstruct the evolutionary history of complex plant genomes by analyzing genetic traces left by transposable elements. The technique revealed that modern ...

A new study from Northern Arizona University is raising red flags about a widely used global emissions database from Climate ...

Plague was already a deadly killer 5,500 years ago, long before cities, farming, or the rat-infested conditions usually ...

A major study of Australian native bees found that stem-nesting species may be the first to feel the impact of climate change ...