https://spacespin.org/ Spinning the Universe Into Focus en Thu, 01 Oct 2026 13:36:09 GMT https://spacespin.org/biggest-unsolved-cosmic-mysteries-nasa-dark-matter-fast-radio-bursts/ https://spacespin.org/biggest-unsolved-cosmic-mysteries-nasa-dark-matter-fast-radio-bursts/ From invisible matter that outweighs everything we can see, to random bursts of radio energy blasting in from across the universe, space is full of phenomena that our best scientists genuinely cannot explain. These five cosmic head-scratchers are the ones that have astronomers reaching for another pot of coffee — and they might just change everything we think we know. SpaceSpin Astronomy Thu, 01 Oct 2026 13:31:10 GMT https://spacespin.org/earths-rotation-slowing-down-moon-gravity-leap-seconds/ https://spacespin.org/earths-rotation-slowing-down-moon-gravity-leap-seconds/ Earth is spinning a little more slowly every century, and the Moon is the quiet culprit behind it all. This gradual cosmic brake job is adding tiny slivers of time to your day — and it's already messing with your GPS. Here's the surprisingly personal story of a planet winding down. SpaceSpin Earth Science Thu, 01 Oct 2026 13:31:10 GMT