A testing time for strings
String theorists must make clear their links with experiment
Read article: A testing time for strings
Read article: A testing time for strings
Reflecting symmetry
Beauty and truth in science
Read article: Reflecting symmetry
String theory under scrutiny
Nancy Cartwright and Roman Frigg ask if falsifiability is a true judge of string theory
Read article: String theory under scrutiny
Modified gravity fails at long distances
Only short-range modifications to Newton’s law fit planetary orbit data
Ralph Alpher: 1921 – 2007
Forgotten father of Big Bang dies
Read article: Ralph Alpher: 1921 – 2007
‘Cosmic train wreck’ stumps dark-matter physicists
Localized “core” of dark matter is unusual in a galaxy cluster merger
Read article: ‘Cosmic train wreck’ stumps dark-matter physicists
Testing the elements of the Big Bang
Nucleosynthesis measures up
Read article: Testing the elements of the Big Bang
‘Seesaw’ explains light dark-energy particles
Eight fields would interact to produce a single particle
Read article: ‘Seesaw’ explains light dark-energy particles
Dark-energy teams win cosmology prize
Perlmutter, Schmidt and colleagues honoured by Gruber Foundation
Read article: Dark-energy teams win cosmology prize
New limit placed on photon charge
Radio waves from distant galaxies confirm photon is neutral
