Modified gravity fails at long distances
Only short-range modifications to Newton’s law fit planetary orbit data
Read article: Ralph Alpher: 1921 – 2007
Ralph Alpher: 1921 – 2007
Forgotten father of Big Bang dies
Read article: ‘Cosmic train wreck’ stumps dark-matter physicists
‘Cosmic train wreck’ stumps dark-matter physicists
Localized “core” of dark matter is unusual in a galaxy cluster merger
Read article: Testing the elements of the Big Bang
Testing the elements of the Big Bang
Nucleosynthesis measures up
Read article: ‘Seesaw’ explains light dark-energy particles
‘Seesaw’ explains light dark-energy particles
Eight fields would interact to produce a single particle
Read article: Dark-energy teams win cosmology prize
Dark-energy teams win cosmology prize
Perlmutter, Schmidt and colleagues honoured by Gruber Foundation
New limit placed on photon charge
Radio waves from distant galaxies confirm photon is neutral
Read article: Blog life: Asymptotia
Blog life: Asymptotia
Strings and things
“Cosmic forgetfulness” shrouds time before the Big Bang
If there was a universe before the Big Bang, we may not be able to see all of it
Read article: Director quits Canadian theory institute
Director quits Canadian theory institute
Howard Burton leaves Perimeter Institute for Theoretical Physics
