Fresh evidence of volcanic activity on Mars is reshaping how scientists think about the planet’s potential to host life, past or present. Instead of a cold, geologically dead world, Mars increasingly ...

AI is advancing at an extraordinary speed. Public confidence is not. McKinsey estimates that generative AI alone could contribute trillions of dollars in annual global economic value. Meanwhile, ...

Researchers simulated nearly every molecule in a bacterial cell — and then watched the cell grow and reproduce.

People and computers perceive the world differently, which can lead AI to make mistakes no human would. Researchers are working on how to bring human and AI vision into alignment.