Beyond Einstein: Gravitational Echoes. Just as sound waves can echo off a distant rockface, light waves can echo off of black holes. Renowned researchers Erin Kara and Shep Doeleman join …

Just a handful of technologies deserve to be called “game changers”—and CRISPR-Cas9, the new gene-editing tool, is one of them. Discovered just three years ago, CRISPR is sweeping through labs around the world and researchers are already using it to experiment on diseases.

Your eyes and ears don’t tell you the truth. That’s not what they’re for. The senses evolved to enable us to survive and succeed in the world, not to represent …

There are many types of telescopes used in astronomy, but X-ray telescopes offer a view of the cosmos that reveal just how much of a living ecosystem the universe is. …

The deadly scourge of cancer has confounded doctors since ancient Egypt. Now, The Cancer Genome Atlas (modeled after the Human Genome Project) promises a new and powerful approach in this age-old battle.

For all we understand about the universe, 96% of what’s out there still has scientists in the dark. Astronomical observations have established that familiar matter—atoms—accounts for only 4% of the weight of the cosmos. The rest—dark matter and dark energy—is invisible to our telescopes.