(The map below is updated on Fridays when the CDC releases its latest weekly numbers.) The last measles death in the U.S. before this year was in 2019, when a 37-year-old man died from measles ...

Their key piece of evidence is an oddly high amount of the metal iridium in what’s known as the Cretaceous-Paleogene, or K-Pg, layer—the geologic boundary zone that seems to cap any known rock ...

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June 18, 2025 — A breakthrough study has uncovered that the Southern Ocean's power to pull carbon dioxide from the atmosphere fluctuates dramatically depending on winter sea ice. When sea ice ...