Best of Last Week – Rethinking black holes, trusting of scientists by Americans and a new 3D cloaking device
You don't exist in an infinite number of places, say scientists
Physicists search for new physics in primordial quantum fluctuations
Repulsive gravity as an alternative to dark energy (Part 2: In the quantum vacuum)
Could the Big Bang have been a quick conversion of antimatter into matter?
Big Bang simulated in metamaterial shows time travel is impossible
Revised theory of gravity doesn't predict a Big Bang
Researcher shows that black holes do not exist
Black holes have long captured the public imagination and been the subject of popular culture, from Star Trek to Hollywood. They are the ultimate unknown – the blackest and most dense objects in the universe ...
Is the universe a bubble? Let's check
Perimeter Associate Faculty member Matthew Johnson and his colleagues are working to bring the multiverse hypothesis, which to some sounds like a fanciful tale, firmly into the realm of testable science.
Small, but plentiful: How the faintest galaxies illuminated the early universe
(Phys.org) —Astronomers investigating behaviour of the universe shortly after the Big Bang have made a surprising discovery: the properties of the early universe are determined by the smallest galaxies. ...
Big Bang breakthrough team allows they may be wrong
American astrophysicists who announced just months ago what they deemed a breakthrough in confirming how the universe was born now admit they may have got it wrong.
Study finds 'lumpy' universe cannot explain cosmic acceleration
(Phys.org) —Astrophysicists at The University of Texas at Dallas are helping to better define the nature of the cosmos by examining why the universe appears to be expanding at an accelerating pace.
Blogger claims BICEP2 team acknowledging possible error in discovery of evidence of gravitational waves
First direct evidence of cosmic inflation (Update)
(Phys.org) —Almost 14 billion years ago, the universe we inhabit burst into existence in an extraordinary event that initiated the Big Bang. In the first fleeting fraction of a second, the universe expanded ...