The ground stop was lifted about 40 minutes after it was imposed, the agency said in a notice posted to its website.

Arizona regulators voted this week to scrap the state’s renewable energy mandate. The rule required utilities to get 15 percent of their power from renewable sources by 2025.

British Science Week is a ten-day celebration of science, technology, engineering and maths that takes place between 6-15 March 2026. The 30 minute Live Lesson is available to watch now on this page.