A major new analysis challenges recent claims that the universe's expansion is slowing, finding that the evidence for cosmic acceleration remains strong. The findings preserve the leading role of dark ...

Einstein’s theory of gravity may behave slightly differently across distances of billions of light-years, with gravity ...

The analysis of how galaxy clusters, the largest objects in the universe, evolve over cosmic time has yielded precise measurements of the total matter content and its clumpiness, report scientists of ...

Researchers have unveiled a new AI technique, GAME, that sharpens analysis of cosmic data, and a separate theory suggesting microscopic wormholes could explain dark energy. These advances aim to ...

Cosmic reionization marks the epoch in the early universe when the first stars, galaxies and accreting black holes emitted ultraviolet photons that ionised the surrounding hydrogen, transforming the ...

The cosmic microwave background (CMB) is the relic radiation from the early Universe, imprinted at the epoch of recombination when photons decoupled from matter. Detailed measurements of its ...