The aftermath of a solar flare

Mark Johnston from Scottsdale, Arizona On Aug. 21, 2026, an unusually long-lasting M-class flare erupted from a sunspot group near the Sun’s west limb. As the flare’s stretched magnetic field lines reconnected and relaxed, they filled with hot plasma that cooled and drained along the loops, producing the glowing arcade […]

Lunar Occultation of Venus

On Wednesday, June 17, skywatchers across the United States—and parts of Canada—enjoyed a rare event: a daytime lunar occultation of Venus. A lunar occultation occurs when the Moon moves directly in front of another celestial object from our viewpoint on Earth, briefly hiding it from sight. This time, the Moon […]

Vals analysis: open-weight models performing multi-stage tasks, like building a web app, can have an environmental impact 10K times greater than simple queries (Bloomberg)

Bloomberg: Vals analysis: open-weight models performing multi-stage tasks, like building a web app, can have an environmental impact 10K times greater than simple queries  —  Benchmarker Vals AI finds that multi-stage tasks can require models to use exponentially more energy or water than simple queries do.