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Kavli Institute for Cosmology, Cambridge

 

Galaxy found napping in the primordial Universe

Thu, 25/04/2024 - 12:31

Nature, Published online: 24 April 2024; doi:10.1038/d41586-024-01023-6

Observations have revealed a galaxy that stopped forming stars earlier than expected. This discovery offers clues about when the first galaxies emerged and sheds light on how stars formed when the Universe was in its infancy.

Peter Higgs - the man who changed our view of the Universe

Tue, 16/04/2024 - 12:14

The renowned scientist came up with revolutionary ideas in the 1960s, sparking a 50-year search for evidence.

Could JWST solve cosmology’s big mystery? Physicists debate Universe-expansion data

Tue, 16/04/2024 - 12:13

Nature, Published online: 15 April 2024; doi:10.1038/d41586-024-01115-3

New results could help to end a long standing disagreement over the rate of cosmic expansion. But scientists say more measurements are needed.

Peter Higgs obituary: physicist who predicted boson that explains why particles have mass

Fri, 12/04/2024 - 17:55

Nature, Published online: 12 April 2024; doi:10.1038/d41586-024-01103-7

Theoretical physicist saw his eponymous particle discovered after 48 years.

How Peter Higgs revealed the forces that hold the universe together

Fri, 12/04/2024 - 17:54

The physicist Peter Higgs quietly revolutionised quantum field theory, then lived long enough to see the discovery of the Higgs boson he theorised. Despite receiving a Nobel prize, he remained in some ways as elusive as the particle that shares his name

Probe bolsters model of ever-expanding universe

Fri, 12/04/2024 - 17:50
Science, Volume 384, Issue 6692, Page 144-145, April 2024.

The multiverse could be much, much bigger than we ever imagined

Wed, 10/04/2024 - 11:33

A new way of interpreting the elusive mathematics of quantum mechanics could fundamentally change our understanding of reality

One of the biggest mysteries of cosmology may finally be solved

Wed, 10/04/2024 - 11:33

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 down

There are hints that dark energy may be getting weaker

Fri, 05/04/2024 - 10:14

The standard model of cosmology says that the strength of dark energy should be constant, but tentative hints are emerging that it may have weakened recently

Cosmologist Claudia de Rham on falling for gravity

Tue, 02/04/2024 - 11:16

Nature, Published online: 02 April 2024; doi:10.1038/d41586-024-00903-1

The aspiring astronaut turned theoretical physicist talks travelling, the accelerating expansion of the Universe, thinking beyond three dimensions and detecting gravitational waves.

We've glimpsed something that behaves like a particle of gravity

Thu, 28/03/2024 - 09:41

Gravitons, the particles thought to carry gravity, have never been seen in space – but something very similar has been detected in a semiconductor

Scientists to hunt mysterious 'ghost' particles

Mon, 25/03/2024 - 10:25

Physicists believe a new experiment could prove their existence and answer fundamental questions about our Universe.

‘Best view ever’: observatory will map Big Bang’s afterglow in new detail

Sat, 23/03/2024 - 15:18

Nature, Published online: 22 March 2024; doi:10.1038/d41586-024-00333-z

The Simons Observatory will search for signs of gravitational waves that originated from the Big Bang.

Rethinking space and time could let us do away with dark matter

Fri, 15/03/2024 - 12:42

Most physicists believe that only a quantum theory of gravity can fully explain mysteries of the universe like dark matter, but now an idea called "post-quantum gravity" is demonstrating an alternative approach

How one theory ties together everything we know about the universe

Fri, 08/03/2024 - 15:52

All known natural phenomena fit into just a few categories and unifying them all is quantum field theory, says physicist Matt Strassler

A recently quenched galaxy 700 million years after the Big Bang

Thu, 07/03/2024 - 08:45

Nature, Published online: 06 March 2024; doi:10.1038/s41586-024-07227-0

A recently quenched galaxy 700 million years after the Big Bang

Bizarre galaxy in the early universe died extremely young

Thu, 07/03/2024 - 08:44

The James Webb Space Telescope has revealed that a distant galaxy stopped forming stars extraordinarily fast, making it the furthest dead galaxy ever spotted

Frozen antimatter may reveal origins of Universe

Sat, 02/03/2024 - 15:03

Positronium has the potential to revolutionise physics but the elusive substance had been too hot to handle.

Most of the photons that reionized the Universe came from dwarf galaxies

Thu, 29/02/2024 - 09:22

Nature, Published online: 28 February 2024; doi:10.1038/s41586-024-07043-6

An analysis of eight ultra-faint galaxies during the epoch of reionization with absolute magnitudes between −17 mag and −15  mag shows that most of the photons that reionized the Universe come from dwarf galaxies.

How dwarf galaxies lit up the Universe after the Big Bang

Thu, 29/02/2024 - 09:21

Nature, Published online: 28 February 2024; doi:10.1038/d41586-024-00594-8

Some of the faintest objects ever observed suggest that small galaxies get the credit for clearing the ‘fog’ pervading the early cosmos.