New data further challenge the best scientific theory of the history and the structure of the universe. But a separate recent ...

Last year, an enormous map of the cosmos hinted that the engine driving cosmic expansion might be sputtering. Now physicists ...

A new map of cosmic expansion suggests that dark energy evolves over time, hinting that the universe doesn’t work the way we ...

Famed physicist Stephen Hawking took gravity to its ultimate limits. In doing so, he made a number of significant ...

String theory may be our best attempt at a theory of everything, except that it can't describe an expanding universe like ...

Galaxies like the Milky Way boast more than spirals; they also have feathers, where clumps of new stars are born. Astronomers ...

A map of the CMB published by ACT researchers. Research by the Atacama Cosmology Telescope collaboration has led to the clearest and most precise images yet of the universe’s infancy, the cosmic ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe’s ...

Dark matter could be an entire dark sector of the universe, with its own particles and forces H ave you ever stood by the sea ...

Quantum-based gravity sensors have probed fundamental physics, and they could transform our understanding of what’s just ...

There are moments in the history of human thought when a simple realization transforms our understanding of reality. A moment ...

Plasma physics is the study of a state of matter comprising charged particles. Plasmas are usually created by heating a gas until the electrons become detached from their parent atom or molecule.