A long-elusive, hypothetical subatomic particle called the axion can be simulated and potentially detected in a type of thin material.

The phase I clinical trials showed stem cell transplants for Parkinson’s disease appear to be safe and might restore dopamine-producing brain cells.

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

Adam Becker’s new book, More Everything Forever, investigates the dangers of a billionaire-driven tomorrow, in which trillions of humans live in space, served by AI.