Last summer, three researchers took a small step toward answering one of the most important questions in theoretical computer science. To paraphrase Avi Wigderson of the Institute for Advanced Study, ...

Descriptive set theorists study the niche mathematics of infinity. Now, they’ve shown that their problems can be rewritten in the concrete language of algorithms. All of modern mathematics is built on ...

The Hubble Space Telescope is deployed on April 25, 1990, from the space shuttle Discovery. Avoiding distortions of the atmosphere, Hubble has an unobstructed view peering to planets, stars, and ...

WASHINGTON — Hundreds of United Airlines flights were disrupted on Wednesday evening as the carrier grappled with a major computer system outage. "The underlying technology issue has been resolved, ...