Add Yahoo as a preferred source to see more of our stories on Google. Will the ability to stop using DEF sensors impact its consumption level? (Photo: Shutterstock) If a truck driver wants to save a ...

Alzheimer’s has long been considered irreversible, but new research challenges that assumption. Scientists discovered that severe drops in the brain’s energy supply help drive the disease—and ...

Iran’s Shahed drones are small and inexpensive, but they are still creating big problems for the U.S. and its allies in the Middle East. WSJ’s Shelby Holliday explains. Illustration: Jason Boone The ...

CRISPR, short for CRISPR-Cas9, is a genome-editing tool that allows scientists to precisely cut and modify DNA sequences. It has revolutionized the study of genes, helped to enhance crops and improved ...