Colombia legalises same-sex marriage, becoming the fourth country in Latin America to do so.
Scientists say they have made a leap in knowing why some people retain their youthful looks while others age badly.
Brazilian prosecutors have filed corruption charges against President Dilma Rousseff's electoral strategist.
Russia sends mixed messages on LGBT
Helicopter firms are carrying out unauthorised sightseeing flights over Mount Everest, despite concerns the vibrations could trigger avalanches.
Queuing in China is not for the faint-hearted - one photographer has been documenting the phenomenon through history.
Conservationists say the legal trade in ivory on the domestic market in China and Hong Kong is just providing a cover for the illegal smuggling.
The former international footballer George Weah announces he will run for president of Liberia for a second time.
Sixteen US military personnel are disciplined over last year's bombing of an Afghan hospital in Kunduz that left 42 dead, officials say.
The Venezuelan opposition claims that 600,000 people have signed a petition for a recall referendum on President Nicolas Maduro.
Caitlyn Jenner posts video of female toilet use after Donald Trump supported transgender right to choose which facility to use.
Have elephant rides and tiger selfies become taboo?
Some of Cruz's harshest critics are Republicans
Twenty-four police officers are injured, three seriously, during protests against a proposed labour law change in France.
A search warrant was obtained in relation to the home of Prince shortly after he died, court documents show.
The situation in Syria's city of Aleppo is catastrophic, the UN says, after attacks on targets including a hospital kill dozens.
Three people linked to gunman Syed Farook are arrested in raids carried out by police investigating the deadly attacks in San Bernardino.
Trump jibe about Clinton's electoral appeal inspires online humour
The Belgian government agrees to distribute iodine pills to the country's entire population as a nuclear safety precaution.
US presidential hopeful Ted Cruz has been called "Lucifer in the flesh" by the former Speaker of the House of Representatives and fellow Republican, John Boehner.