80,000-year-old Antarctic ice reveals radioactive stardust still falling on Earth. Is it dangerous?

Scientists have detected iron-60, a radioactive isotope from ancient supernova explosions, in Antarctic ice up to 80,000 ...
Earth.com

Exploding stars may explain why young galaxies die so early

James Webb spotted a young galaxy blasting away its star-forming gas, revealing how massive galaxies may die early.