Now that scientists have confirmed the existence of gravitational waves, a NASA team is set to search for a predicted signature of primordial gravitational waves that would prove the infant universe expanded far faster than ...
Space Exploration
Apr 26, 2016
0
121
Einstein was right – changes in gravity do spread as waves through space. The LIGO experiment detected such waves from a collision between two black holes with masses of about 36 and 29 times that of the sun (described ...
Astronomy
Feb 18, 2016
21
270
Great excitement rippled through the physics world Thursday at the announcement that gravitational waves have been detected after a 100-year search.
General Physics
Feb 11, 2016
1
342
How did the universe begin? And what came before the Big Bang? Cosmologists have asked these questions ever since discovering that our universe is expanding. The answers aren't easy to determine. The beginning of the cosmos ...
Astronomy
Jan 25, 2016
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3590
The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had detected gravitational waves, which are ripples in space-time. Initially ...
Astronomy
Sep 7, 2015
3
106
A next-generation cosmic microwave background (CMB) program should be a top priority for large-scale science efforts at the South Pole, according to a report published this month by the National Academies, and produced by ...
Space Exploration
Sep 1, 2015
0
14
Last March, the BICEP2 collaboration announced that they had used a microwave telescope at the South Pole to detect primordial gravitational waves. These tiny ripples in spacetime would be the first proof of the theory known ...
General Physics
Feb 10, 2015
6
25
Viatcheslav Mukhanov, cosmologist at Ludwig-Maximilians-Universitaet (LMU) in Munich, models the first instants after the creation of our Universe. Data from the Planck telescope have now confirmed beyond any reasonable doubt ...
Astronomy
Feb 5, 2015
15
184
Reports of evidence of cosmic inflation may have been, well, overblown.
General Physics
Feb 4, 2015
12
61
What was the Universe like at the beginning of time? How did the Universe come to be the way it is today?—big questions and huge attention paid when scientists attempt answers. So was the early-universe discovery that made ...
