The mechanism of collapsing stars falls short of explaining the existence of supermassive black holes—giants that weigh millions or even billions of times the mass of the Sun. Astrophysicist Priya …

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.

Can we address mysteries of quantum mechanics by supposing that properties of objects long considered to have an independent existence are actually determined solely in relation to other objects or …

A new generation of technology is revolutionizing neuroscience, allowing a closer study of the brain than had ever seemed possible. The techniques are hybrids of optics, genetics, and synthetic biology …

Temperature and pressure. Two sensations of vital importance in one’s daily life. Yet science has been lacking a deeper understanding of how these sensations are detected and encoded on a …

Join Brian Greene and Britain’s Astronomer Royal Martin Rees as they discuss challenges and opportunities swirling around cosmology–the big bang, dark matter, dark energy, and black holes–and the future of …