Quantum mechanics Research update “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
Particles and interactions Research update Director quits Canadian theory institute Howard Burton leaves Perimeter Institute for Theoretical Physics Read article: Director quits Canadian theory institute
Gravity Opinion and reviews Life, the universe and everything The complete story of the cosmos Read article: Life, the universe and everything
Gravity Feature Sounding out the Big Bang How gravitational waves will probe the cosmos Read article: Sounding out the Big Bang
Dark matter and energy Opinion and reviews Blog life: Backreaction Physics distractions and trivia Read article: Blog life: Backreaction
Quantum mechanics Opinion and reviews Blog life: Not Even Wrong The string critic speaks Read article: Blog life: Not Even Wrong
Cosmology Opinion and reviews Case not proven Proving God: a category error Read article: Case not proven
Particles and interactions Feature A triangle that matters Measuring the unitarity triangle Read article: A triangle that matters
Cosmology Research update Probe seeks changes in fine-structure constant Microwaves illuminate atomic transitions from the dark ages Read article: Probe seeks changes in fine-structure constant
Gravity Research update Extra dimensions could leave trace in Big Bang’s aftermath Shape of dimensions could affect observations by WMAP and Planck