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Cora Dvorkin discovered new possibilities for what dark matter could be. Now she’s devising unorthodox ways to identify it.
Physicists have proposed extra cosmic ingredients that could explain the faster-than-expected expansion of space.
Most every cosmologist believes the universe is flat. A new analysis argues that it’s closed.
The astronomers Michel Mayor and Didier Queloz won half of the prize for their 1995 discovery of a Jupiter-like planet orbiting a nearby star. The cosmologist James Peebles won the other half for work exploring the structure of the universe.
New measurements could upend the standard theory of the cosmos that has reigned since the discovery of dark energy 21 years ago.