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Gravitational tsunamis exist and we’re on the verge of being able to detect them. There are cosmic events so powerful that they leave permanent marks on the fabric of the universe itself - a permanent ...

One thing that can be said about the now-50-year-old “NOVA”: It has never been very funny. But the science program’s introduction to “Decoding the Universe: Quantum” is certainly amusing. And not a ...

Could the universe be rotating at an imperceptible speed? An extremely slow rotation, occurring once every 500 billion years, might explain discrepancies in measurements of its expansion. This ...