Tsar Bomba Nuclear Test 60 Years Ago Didn't Make J.F.K. Flinch

Researchers Relied on Unexpected Sources to Help Map 3,000 Years of Aurora Movement

Years of conflicting neutrino measurements have led physicists to propose a “dark sector” of invisible particles — one that could simultaneously explain dark matter, the puzzling expansion of the universe, and other mysteries.

People Weren’t So Lazy Back Then: How Americans Changed Over the Last 200 Years