When does multiverse speculation cross into fantasy?
In Our Mathematical Universe Max Tegmark tries hard to make the seemingly outlandish theories of multiverses sound almost obvious and unavoidable
Culture
Space
Hubble exploits galactic lenses for deepest view ever
News
Space
‘Cosmic neutrinos are ready to take centre stage’
Opinion
Sleepy sun spreads slow solar wind
News
Space
Dark matter ‘wind’ may be warped by the sun
News
Space
Huge cosmic voids could probe dark energy
News
Space
Dust factory seen in the heart of an exploding star
Regulars
Physics
Astrophile: Trio of dead stars could take on Einstein
News
Physics
Breaking relativity: Celestial signals defy Einstein
Features
Physics
GPS satellites suggest Earth is heavy with dark matter
A new analysis of satellite orbits suggest Earth is heavier than expected, perhaps due to a halo of dark matter around its equator
News
Physics
2013 review: Top ten breakthroughs in physical science
News
Space
Ultimate selfie: Space megacamera will map Milky Way
Features
Life
Alien life could have basked in big bang’s afterglow
News
Space
Astrophile: Dancing black holes near their grand finale
News