The Compact Muon Solenoid detector at the Large Hadron Collider at the European Centre for Nuclear Research (CERN) near Geneva, undergoes winter maintenance work.
At a G8 meeting in Canada, officials said they felt growing momentum for action against Tehran. In addition to Iran nuclear sanctions, they are considering a UN Security Council resolution.
A woman holds her sleeping baby during South African President Jacob Zuma's visit to a settlement for poor whites in Pretoria on March 30. While most white South Africans still enjoy lives of privilege and wealth, the number of poor whites has risen steadily over the past 15 years, with white unemployment nearly doubled between 1995 and 2005, according to the South African Institute for Security Studies.
Easter eggs are displayed at an Easter market in the Austrian city of Innsbruck on April 19.
The latest Catholic sex abuse scandals are confronting Pope Benedict with what one Catholic newspaper calls the "largest institutional crisis in centuries." In Germany, the church announced a hotline for victims of abuse. A summary of key cases that happened on Benedict's watch.
Years in development, the Large Hadron Collider in Geneva on Tuesday achieved its first proton-on-proton collisions at higher energy levels than scientists have ever seen before. They'll study images of the particles for clues to the nature of matter and the universe.
Australia's population is growing faster than most other developed nations, which is contributing to its housing shortage.