The universe’s biggest explosions made some of the elements we are composed of. But there’s another mystery source out there
NASA’s asteroid sample mission gave scientists around the world the rare opportunity to study an artificial meteor
This long-studied star is actually a stellar duo: 'We were absolutely stunned'
Something 'kicked' this hypervelocity star racing through the Milky Way at 1.3 million miles per hour (video)
At the heart of this distant galaxy lies not 1, but 2 jet-blasting black holes
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