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An evolutionary tree of tortoises shows the animals have become gigantic on at least seven occasions — and that they did not do so where... [Read More]
Climate models have always offered a range of possible temperature rises, but it turns out the ones that best fit what's happened so far all... [Read More]
Something is tearing everything apart even faster than we thought — and not even atoms will survive, never mind our picture of how the universe... [Read More]
Our moon was made by the Big Splash, an impact that we thought left iron deposits near Earth's crust. It turns out that the metal... [Read More]
The missing dwarf galaxies around the Milky Way have been found. Their existence means dark matter could be made of particles that are warmer than... [Read More]