Some question whether the pups are really dire wolves, or just genetically tweaked gray wolves. But the technology could be used to help at-risk animals.

The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.

An expanding geographic range for these close Neandertal relatives leaves Denisovans' evolutionary status uncertain.

Experiments point to how scientists can strengthen or weaken memories, which may eventually lead to treatments for Alzheimer’s disease or PTSD.

Mineral formations in caves reveal recurring periods of humidity in the Arabian Desert over the last 8 million years.

As global temperatures rise, scientists debate the pros and cons of solar geoengineering, a strategy to cool Earth by reflecting sunlight into space.

Though being struck by lightning is usually bad, the tropical tree Dipteryx oleifera benefits. A strike kills other nearby trees and parasitic vines.

New archaeological finds in Malta add to an emerging theory that early Stone Age humans cruised the open seas.

Deep funding cuts and widespread layoffs impact everything from local public health outreach to global disease surveillance, making us more vulnerable, experts warn.

Texas child dies from the preventable disease, HHS Secretary Kennedy is now urging measles vaccination yet still touting unproven treatments.

The books hail from Clairvaux Abbey, founded in 1115 by Cistercian monks in northern France, and its daughter monasteries. Some tomes are nearly 900 years old. Researchers had thought they were ...

Some of the unusual rocks carry stories about water on Mars. One has hints of long-gone microbes. All tell of a dynamic, complex planet.