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 …

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space ...

Cosmology grapples with the nature of the entire universe, seeking to understand its origins and its ultimate fate. Cosmologists study the mysteries of dark matter, dark energy and even the nature ...

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 ...

Jan 22, 2024 · JIM PEEBLES is widely known as the architect of modern cosmology – and its nice-guy-in-chief. Awarding his half-share of the 2019 Nobel prize for physics, the committee said he “took on …

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

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 …

Jan 19, 2026 · The first second of the universe was, without a doubt, the most eventful in all of history. The universe started small. Infinitely small, in fact, if you subscribe to big bang cosmology, which ...

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 …

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 …