A trio of researchers with the University of Manchester, Università di Roma 'La Sapienza' and Sorbonne Universities has sparked a major debate among cosmologists by claiming that data from the Planck space observatory suggests ...
As an astronomer, there is no better feeling than achieving "first light" with a new instrument or telescope. It is the culmination of years of preparations and construction of new hardware, which for the first time collects ...
Astronomy
Oct 29, 2019
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Dark matter was likely the starting ingredient for brewing up the very first galaxies in the universe. Shortly after the Big Bang, particles of dark matter would have clumped together in gravitational "halos," pulling surrounding ...
General Physics
Oct 3, 2019
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743
A team of researchers from Brookhaven National Laboratory and the University of Kansas has developed a theory to explain why there is so much more matter than antimatter in the universe. They have written a paper describing ...
Scientists have discovered that a mysterious pressure dubbed "dark energy" makes up about 68% of the total energy content of the cosmos, but so far we don't know much more about it. Exploring the nature of dark energy is ...
Astronomy
Sep 13, 2019
4
239
One idea for how the universe began is that the universe may have appeared out of nothing due to some quantum effect, such as quantum tunneling. In the 1980s, Stephen Hawking and James Hartle further elaborated on this idea ...
Combining Einstein's theory of relativity with one of the most powerful telescopes in the world has helped an international team of researchers measure where and how dark matter structures grow in the universe. Their analysis ...
Astronomy
Feb 13, 2019
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71
Uppsala University researchers have devised a new model for the universe – one that may solve the enigma of dark energy. Their new article, published in Physical Review Letters, proposes a new structural concept, including ...
General Physics
Dec 28, 2018
501
7336
It's embarrassing, but astrophysicists are the first to admit it. Our best theoretical model can only explain 5% of the universe. The remaining 95% is famously made up almost entirely of invisible, unknown material dubbed ...
Astronomy
Dec 6, 2018
19
522
Twenty years ago, scientists were shocked to realize that our universe is not only expanding, but that it's expanding fasterover time.
Astronomy
Oct 22, 2018
562
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