Space
When is a group of stars not a galaxy?
Omega Centauri is facing an identity crisis, as an online poll is set up to decide how to distinguish between dwarf galaxies and star clusters
News
Space
Most detailed image of night sky unveiled
News
Space
How to sort the dwarfs from the planets
News
Space
Solar eclipse to ring in new year
News
Space
Quartet of giant planets puzzles astronomers
News
Space
Over-budget telescope threatens other projects
News
Physics
Galaxies get real when the dark side warms up
News
Physics
What’s eating the stars out of our galaxy’s heart?
Features
Space
Biggest star ever found may be ticking antimatter bomb
News
Space
Deep space X-ray flash is most powerful ever recorded
An unknown event in a distant galaxy has blasted our solar system with an intense burst of X-rays, temporarily blinding an astronomical satellite
News
Physics
Heart of darkness could explain sun mysteries
News
Environment
US cellphone expansion could deafen radio astronomers
News
Space
Pope’s astronomer: ‘Science helps me be a priest’
Opinion
Physics
How Planck’s pain could be the LHC’s gain
News