New deep-space discoveries suggest the Universe is lumpy and lopsided. But if matter is distributed unevenly, we’ll have to rethink the simple geometry used in cosmological models.
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Articles on Cosmic microwave background
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The darkness of the night sky seems so obvious as to need no explanation – yet it has intrigued and baffled scientists for centuries.
It’s the oldest light in the universe.
The term ‘Big Bang’ might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.
The 2019 Nobel Prize in Physics went to a cosmologist who helped unlock the secrets of the Big Bang’s aftermath, and two astronomers who found a “hot Jupiter” orbiting a nearby star.
The Princeton cosmologist helped pioneer our current model of the universe and began a whole new branch of physics.
New radio technology has managed to detect the first light in the universe.
Galaxies evolve in mysterious way. But a new study offers a fresh approach to understand them.
We still can’t see the dark matter thought to make up about a quarter of the universe, but at least now we have a map of its structure.
The idea that we live in a ‘multiverse’ made up of an infinite number of parallel universes has long been considered a possibility.
Einstein’s famous theory of general relativity theory lives on thanks to new research.
This month marks the 50th anniversary of the discovery of the Cosmic Microwave Background, which is the radiation left over from the birth of the universe.
Astronomers have found a giant void in space that explains a mysterious cold spot in the sky. But the search is already on for other voids – and finding them could undermine the discovery.
More than 100 million years has been wiped off the age of the first stars but there is still the question of what happened in the first billion years of the universe. Earlier this month the European Space…
One of this century’s greatest potential discoveries concerning the origins of the universe has now fallen to galactic dust. That’s according to a new joint-analysis of all the existing data – including…
In March, scientists working on the BICEP2 experiment, a microwave telescope based at the South Pole, announced that they had seen ‘gravity waves’ from the early universe, created just after the Big Bang…
Recent observations suggest that there is something not quite right with our view of our universe – that something is skewing our view of the oldest radiation arriving at our telescopes. What’s causing…
It’s almost three months since a team of scientists announced it had detected polarised light from the afterglow of the Big Bang. But questions are still being asked about whether cosmic dust may have…
Katherine Mack, astrophysicist at the University of Melbourne, answered questions posed by the public on Reddit. The Conversation has curated the highlights. Dark Matter How do you explain dark matter…
According to cosmologists, galaxies are joined together by filaments, quite literally. These filaments form the cosmic web and are made of mostly dark matter, many stars and some gas. Observing these filaments…
Top contributors
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Professor of Astrophysics and Royal Society University Research Fellow, University of Hertfordshire
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Professor of Extragalactic Astronomy, Head of the Astrophysics Group, University of Bath
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Cosmologist, University of Tasmania
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Pro Vice-Chancellor Flagship Initiatives, Swinburne University of Technology
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Professor of Astrophysics, University of Sydney
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Professor, The University of Queensland
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John Curtin Distinguished Professor (Radio Astronomy), Curtin University
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DECRA Fellow, Astrophysics, The University of Melbourne
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Professor in Earth Sciences, Nanyang Technological University, Singapore, and Emeritus Professor of Mineral Physics, University of Cambridge
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Professor of Cosmology, University of Portsmouth
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Honorary research fellow in Physics and Astronomy and author of "The Cosmic Microwave Background - how it changed our understanding of the Universe", Cardiff University
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Astrophysicien, Professeur, Vice-président, art, culture, science et société, Université Paris-Saclay
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Astrophysics Research and Teaching Associate, Queensland University of Technology
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Research Fellow in Cosmology, University of Portsmouth
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ARC Laureate Fellow and Winthrop Research Professor at the International Centre for Radio Astronomy Research, UWA., The University of Western Australia
