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In fact, we can't see it at all. And yet, its invisible pull shapes galaxies, hinting that something massive -- and mysterious -- is out there.After nearly 100 years, and with help from NASA's Fermi ...

Now is a surreal time to be a dark matter researcher. Even as research funding is being cut by governments around the world, dark matter remains one of the biggest and most exciting open problems in ...

At the end of a lecture on astronomy, describing how the planets orbit the Sun, a little old lady at the back of the room stood up and said: "What you've told us is all rubbish. The world is really a ...