The coldest temperatures in the northern hemisphere have been recorded in Sakha, the location of the Oymyakon valley.
Now Grand Central Terminal, the doyenne of American train stations, is celebrating its 100th birthday.
Thatcher has died following a stroke, a spokesman for the family said.
The annual World Economic Forum is held from January 23 to 27, 2013 in Davos.
March 20, 2013 marks the 10th anniversary of the invasion of Iraq.
Venezuela's President Hugo Chavez is pictured at a party during his time at Military Academy in Caracas in this undated photo provided by Venezuela's Ministry of Information and Communication.
UN Secretary-General Ban Ki-moon on Tuesday called for the "steady efforts" of UN member states to address the roots of terrorism in order to check the spread of terrorism in the world at large.
Doomsayers hunkered down to await the coming apocalypse on Friday, but most took a lighthearted view of a Mayan "prophecy" of the world's destruction, laying on stunts and parties.
A photo selection of the most dramatic moments and striking imagery from Reuters global coverage of news, entertainment and sport.
From the sandy expanses of the northern Gaza Strip, Palestinian families are fleeing their homes destroyed by airstrikes, but refuse to blame the Hamas rocket crews who draw Israeli fire.
Countries in the Asia-Pacific region have been focusing on enhancing their military capabilities.