News tagged with cosmological data

Is dark energy static or dynamic?

(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...

Nov 12, 2012 feature
4.5 / 5 (19) 48 | with audio podcast

Dark matter mystery deepens

(PhysOrg.com) -- Like all galaxies, our Milky Way is home to a strange substance called dark matter. Dark matter is invisible, betraying its presence only through its gravitational pull. Without dark matter ...

Oct 17, 2011
4.7 / 5 (22) 30 | with audio podcast

Madly Mapping the Universe

(PhysOrg.com) -- It takes special software to map the universe from noisy data. A Berkeley Lab code called MADmap does just that for the cosmic microwave background and has now been adapted by scientists probing ...

Feb 04, 2010
5 / 5 (9) 0 | with audio podcast

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Planck: Gravitational waves remain elusive

Despite earlier reports of a possible detection, a joint analysis of data from ESA's Planck satellite and the ground-based BICEP2 and Keck Array experiments has found no conclusive evidence of primordial ...

Jan 30, 2015
4.5 / 5 (15) 24

Revealing secrets of atomic nuclei

Individual protons and neutrons in atomic nuclei turn out not to behave according to the predictions made by existing theoretical models. This surprising conclusion, reached by an international team of physicists ...

Jan 21, 2015
5 / 5 (23) 12

Snapshot of cosmic burst of radio waves

A strange phenomenon has been observed by astronomers right as it was happening - a 'fast radio burst'. The eruption is described as an extremely short, sharp flash of radio waves from an unknown source in ...

Jan 19, 2015
4.6 / 5 (39) 15

Galactic 'hailstorm' in the early universe

Two teams of astronomers led by researchers at the University of Cambridge have looked back nearly 13 billion years, when the Universe was less than 10 percent its present age, to determine how quasars - ...

Jan 16, 2015
4.7 / 5 (23) 17

A new, public view of the sky

For the first time, scientists and the public are beginning to see the large-scale structure of the universe, thanks to the Sloan Digital Sky Survey. UA scientists provide scientific expertise and crucial ...

Jan 07, 2015
5 / 5 (8) 0

List of search results for cosmological data