Sep 4, 2006 · Cosmologists study the universe as a whole: its birth, growth, shape, size and eventual fate. The vast scale of the universe became clear in the 1920s when Edwin Hubble proved …

The earliest acoustic vibrations in the cosmos weren’t exactly sound – they travelled at half the speed of light and there was nobody around to hear them anyway. But Jim Baggott says from the ...

Mar 4, 2025 · A strange new conception of how time warps across the universe does away with cosmology's most mysterious entity, dark energy

Dec 17, 2025 · Columnist and Space Cosmology’s Great Debate began a century ago – and is still going Our understanding of the true nature of the cosmos relies on measurements of its expansion, but ...

Nov 20, 2024 · Albert Einstein’s theory of general relativity has been proven right on the largest scale yet. An analysis of millions of galaxies shows that the way they have evolved and clustered over ...

May 2, 2025 · ‘Shocking’ results from a major astronomical study have raised doubts about the standard model of cosmology, forcing scientists to consider new ways of understanding dark energy and gravity

Apr 9, 2024 · The expansion rate of the universe, measured by the Hubble constant, has been one of the most controversial numbers in cosmology for years, and we seem at last to be close to nailing it …

Sep 21, 2016 · Space Reality guide: The essential laws of cosmology Our expanding universe began in a big bang 13.8 billion years ago. But what underlying laws of nature shape our vision of time and …

Jun 16, 2025 · Physics The radical idea that space-time remembers could upend cosmology There are new hints that the fabric of space-time may be made of "memory cells" that record the whole history …

Mar 19, 2025 · Space Dark energy isn't what we thought – and that may transform the cosmos Our current best theories of the universe suggest that dark energy is making it expand faster and faster, …