The James Webb Space Telescope’s dazzling images are providing new insights into comet science, our neighboring planets, and how water may have arrived here on Earth. Brian Greene in live …

How fast is the universe expanding? Two prominent approaches are finding different answers, propelling cosmology toward a crisis. Wendy Freedman, a renowned astronomer who has spent decades seeking the expansion …

Have you ever spent hours looking for something you just know is there, only to be doubted? In 1987, most astronomers thought there was nothing in the outer solar system, …

While artificial intelligence lacks empathy, reason, and even basic common sense, we already rely on it to make major decisions that affect human lives. Who gets hired? Who gets fired? …

On September 14th, 2015, a ripple in the fabric of space, created by the violent collision of two distant black holes over a billion years ago, washed across the Earth. As it did, two laser-based detectors momentarily twitched, confirming a century-old prediction by Albert Einstein and marking the opening of a new era in astronomy.

The history of computers is a history of competition and collaboration: Innovators have worked together, but also clashed over the place of computers in society and how they should function.