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SN 2023ixf is the closest supernova to Earth in more than a decade — and the perfect excuse for intelligent aliens to get our attention, new SETI research suggests.
Could a giant space explosion be used as an extraterrestrial flare gun?
An astronomer thought he discovered the first runaway black hole speeding through the cosmos, but other scientists are trying to prove him wrong.
Amateur astronomers discovered the never-before-seen arc of nebulosity right next to the Andromeda Galaxy, but researchers aren't yet sure if they're physically related.
Amateur astronomers discovered the never-before-seen arc of nebulosity right next to the Andromeda Galaxy, but researchers aren't yet sure if they're physically related.