Scientists have long seen a puzzling pattern in tokamaks, the doughnut-shaped machines that could one day reliably generate electricity from fusing atoms. When plasma particles escape the core of the ...

The 5 best AI video generators of 2026, compared. See how Seedance, Sora 2, Veo 3.1, Firefly, and Runway stack up for creators and filmmakers.

February 20, 2026 • The four astronauts heading to the moon for the lunar fly-by are the first humans to venture there since 1972. The ten-day mission will travel more than 600,000 miles. February 20, ...