Tag: cosmology

Starquakes Might Solve the Mysteries of Stellar Magnetism

That was a surprise—and a possible indication that something crucial was missing in those models: magnetism.Stellar SymmetryLast year, Gang Li, an asteroseismologist now at...

A distant supernova defies our understanding of the cosmos’s expansion

A distant supernova spotted through a strange quirk of gravitational lensing has been used to measure the expansion of the universe. The result adds...

Don’t Tell Einstein, but Black Holes Might Have ‘Hair’

Identical twins have nothing on black holes. Twins may grow from the same genetic blueprints, but they can differ in a thousand ways—from temperament...

How Universes Might Bubble Up and Collide

What lies beyond all we can see? The question may seem unanswerable. Nevertheless, some cosmologists have a response: Our universe is a swelling bubble....

The Search for Dark Matter Is Dramatically Expanding

Ever since astronomers reached a consensus in the 1980s that most of the mass in the universe is invisible—that “dark matter” must glue galaxies...

Physicists Pin Down the Nuclear Reaction Just After the Big Bang

In a secluded laboratory buried under a mountain in Italy, physicists have re-created a nuclear reaction that happened between two and three minutes after...

What If the Big Bang Was Actually a Big Bounce?

Steinhardt and company imagine a universe that expands for perhaps a trillion years, driven by the energy of an omnipresent (and hypothetical) field, whose...

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