Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...

A new study finds that looking at something and imagining it triggers the same exact process in the brain. It's also very similar to the process artificial intelligence uses to create an image.

New approach methodologies (NAMs) are advancing the reduction of animal testing by promoting human-relevant safety assessments across diverse applications, including cosmetics, pharmaceuticals, and ...