Stars and solar physics Research update Stringy ‘filaments’ could have produced first stars “Warm” dark matter gives a very different early universe formation Read article: Stringy ‘filaments’ could have produced first stars
Particles and interactions Feature Stringscape A grand journey through string theory Read article: Stringscape
Particles and interactions Opinion and reviews A testing time for strings String theorists must make clear their links with experiment Read article: A testing time for strings
Particles and interactions Opinion and reviews Reflecting symmetry Beauty and truth in science Read article: Reflecting symmetry
Particles and interactions Opinion and reviews 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
Planetary science Research update Modified gravity fails at long distances Only short-range modifications to Newton’s law fit planetary orbit data
Nuclear physics Research update Ralph Alpher: 1921 – 2007 Forgotten father of Big Bang dies Read article: Ralph Alpher: 1921 – 2007
Gravity Research update ‘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
Stars and solar physics Feature Testing the elements of the Big Bang Nucleosynthesis measures up Read article: Testing the elements of the Big Bang
Dark matter and energy Research update ‘Seesaw’ explains light dark-energy particles Eight fields would interact to produce a single particle Read article: ‘Seesaw’ explains light dark-energy particles
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