Radioactive Stardust From an Ancient Cosmic Blast Is Still Raining on Earth ScienceAlert By: Michelle Starr 16 June 2026 at 13:00 Don't catch those raindrops on your tongue.ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
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Don't catch those raindrops on your tongue.
Don't catch those raindrops on your tongue.