Week 11 at the Pole

Pull up a chair—sunset at the South Pole takes weeks, not hours. And why is that? Because the Earth’s rotational axis is tilted, the poles gradually proceed from full exposure to full shadow (and back again) as the Earth travels around the sun. The Earth’s tilt also gives us our seasons, and something less obvious—and maybe our new word of the day—the

Week 13 at the Pole April 1, 2026

Week 12 at the Pole March 26, 2026

New evidence from the Southern Hemisphere links neutrinos to X-ray bright active galaxies March 24, 2026

Week 11 at the Pole March 19, 2026