Jeff Galloway, who died last week at the age of 80, was one of the most important figures in the history of American distance running.

Many engineering challenges come down to the same headache—too many knobs to turn and too few chances to test them. Whether tuning a power grid or designing a safer vehicle, each evaluation can be ...

GPT-5.4 is out now on ChatGPT (where it goes by the name GPT-5.4 Thinking) as well as on the OpenAI API and OpenAI’s coding ...

March 6, 2026 • A week ago, the U.S. and Israel began airstrikes on Iran, killing the regime’s leader and starting a war that has now threatens to to expand throughout the Middle East. Iran struck ...