Astronomers use many methods to determine this number, including gravitational lensing, the universe’s expansion rate, and ...

Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

Caltech scientists have developed an artificial intelligence (AI)–based method that dramatically speeds up calculations of ...

Scientists at the California Institute of Technology have devised an AI-based approach to accelerate computations of quantum ...