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Cosmology
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The Cosmologist Who Dreams in the Universe’s Dark Threads
Cora Dvorkin discovered new possibilities for what dark matter could be. Now she’s devising unorthodox ways to identify it.
The Hidden Structure of the Universe
Our new series of articles explores the search for fundamental structure at the edge of science.
Some Physicists See Signs of Cosmic Strings From the Big Bang
Subtle aberrations in the clockwork blinking of stars could become “the result of the century.” That’s if the distortions are produced by a network of giant filaments left over from the birth of the universe.
Physicists Argue That Black Holes From the Big Bang Could Be the Dark Matter
It was an old idea of Stephen Hawking’s: Unseen “primordial” black holes might be the hidden dark matter. A new series of studies has shown how the theory can work.
A New Cosmic Tension: The Universe Might Be Too Thin
Cosmologists have concluded that the universe doesn’t appear to clump as much as it should. Could both of cosmology’s big puzzles share a single fix?
Big Bounce Simulations Challenge the Big Bang
Detailed computer simulations have found that a cosmic contraction can generate features of the universe that we observe today.
An Alternative to Dark Matter Passes Critical Test
Modified gravity theories have never been able to describe the universe’s first light. A new formulation does.
The Hidden Magnetic Universe Begins to Come Into View
Astronomers are discovering that magnetic fields permeate much of the cosmos. If these fields date back to the Big Bang, they could solve a major cosmological mystery.
This Cosmologist Knows How It’s All Going to End
The astrophysicist and social media phenom Katie Mack is ready to tell you about the fate of the universe.