Repeat bouts of warmer seawater are posing a significant challenge to the world's tropical corals.

A selection of the best photos from across and about Africa this week.

What young Iranians living in Turkey make of the protests in their home country.

A photographer and an artist have made an anthology dedicated to female photographers of African descent.

Do evangelicals support Trump's policy because of a belief in Armageddon and the End Times?

Artificial intelligence and machine learning will thoroughly infiltrate our lives this year, firms believe.

This is the Vuelta - one of cycling's toughest races. But its roots lie in Colombia's violent past.

The Arabian horse crossing checkpoints to compete in a show bringing Israelis and Palestinians together.

How drug-carrying drones could help save lives in far-flung places

Former world number one and defending Australian Open champion Serena Williams withdraws from this month's tournament.

Breitbart's London editor weighs in on the bitter row between his boss Steve Bannon and Donald Trump.

When writer Amy McTighe had a miscarriage on a visit to Iraq, it gave her unexpected insights into her own situation.

The talks will pave the way for North Korean athletes to attend the Winter Games in South Korea.

Australian authorities use virtual reality to warn residents of life-threatening scenarios.

The tech giant has released some fixes and says there are "no known exploits" of the flaws.

Beijing hopes to attract more technology experts, entrepreneurs and scientists to help its development.

Officials file a complaint after a report that personal details on the database are being sold.

BBC Sport football expert Mark Lawrenson v comedian Guz Khan predict the outcome of all 32 FA Cup third-round ties.

Heavy snows hits parts of central and eastern China bringing chaotic (and often beautiful) scenes.

BBC presenters and commentators share their memories as the world's longest-running sports show celebrates its 70th birthday.

Usman Khawaja hits an unbeaten 91 as Australia appear to take control of the fifth Ashes Test at the SCG.