Physics
X marks the spot in dark matter web
We can't see the streams of dark matter forming a web across the sky, but unusual cross-shaped galaxies may reveal them
News
Space
Is cosmic string the radio burst culprit?
News
Space
Giant ropes of dark matter found in new sky survey
News
Physics
Cosmic string: The search continues
Features
Space
Review: The Wraparound Universe by Jean-Pierre Luminet
Books & Arts
Physics
Is time slowing down?
News
Physics
The void: Imprint of another universe?
Features
Physics
Can string theory accommodate inflation?
News
Physics
String theory: It’s not dead yet
Opinion
Physics
The cosmos – before the big bang
91av goes back to the very beginning of our universe to re-examine an age-old question
Features
Physics
‘Axis of evil’ a cause for cosmic concern
News
Physics
New particle accelerator could rule out string theory
News
Edward Witten forecasts the future
News
Kip Thorne forecasts the future
News