Dark matter: Our review suggests it's time to ditch it in favor of a new theory of gravity - Phys.org

We can model the motions of planets in the Solar System quite accurately using Newton's laws of physics. But in the early 1970s, scientists noticed that this didn't work for disk galaxies—stars at their outer edges, far from the gravitational force of all the…

We can model the motions of planets in the Solar System quite accurately using Newton's laws of physics. But in the early 1970s, scientists noticed that this didn't work fordisk galaxiesstars at thei… [+7039 chars]

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