James Peebles, one of the world’s greatest cosmologists, has profoundly influenced our understanding of dark matter, dark energy, and the big bang, contributions that earned him the 2019 Nobel Prize …

Pills the size of molecules to seek and destroy tumors. Miniscule robots performing surgery inside patients with a precision never before achieved. Nanobots, a billionth of a meter across, fixing mutations in DNA, or repairing neurons in your brain. Such are the possibilities as medicine enters the nano-era.

Meet Dr. Nora Volkow, whose research on drugs and the brain helped us understand addiction as a disease. Nora Volkow is the director of the National Institute on Drug Abuse. …

Black holes are gravitational behemoths that dramatically twist space and time. Recently, they’ve also pointed researchers to a remarkable proposal—that everything we see may be akin to a hologram.

The first electron microscopes enabled scientists to finally view the nanoworld. But because of limitations in the microscope’s lenses, achieving sharp images of individual atoms was not possible. For 60 …

Physicist and mathematician Brian Greene and journalist Faith Salie explore the past and future of the cosmos – from the big bang to the closest science can take us to the very end – …