US Democrats have opened a formal impeachment inquiry into President Donald Trump over claims that he sought political help from Ukraine.

Donald Trump asked Ukraine's president to investigate his rival Joe Biden. What are the allegations?

It's the story that kickstarted impeachment moves against Donald Trump. Who are the main players?

After an overnight lull, militants fire more rockets towards Israel and Israeli aircraft hit Gaza.

The video, published on Twitter, also labelled homosexuality and atheism as dangerous ideas.

Former Spain and Barcelona forward David Villa says he will retire at the end of the J-League season next month.

Demand is soaring for the metal cobalt, an essential ingredient in batteries and abundant on the seabed.

Guy Laliberte's company says the plant is grown on his island in the South Pacific for personal use.

The verdict is in for Elizabeth Banks latest action film in the Charlie's Angels franchise.

The video for Ddu-Du Ddu-Du makes them the first K-pop group to join the billion views club.

England full-back Danny Rose says he never realised how much Liverpool fans "dislike" former player Raheem Sterling until he watched the forward return to Anfield with Manchester City on Sunday.

Manchester City forward Bernardo Silva is suspended for one match and fined £50,000 for his tweet relating to team-mate Benjamin Mendy.

Prime Minister Shinzo Abe was accused of inviting too many of his own supporters to the last event.

Prosecution and defence will appeal over former Nigeria international Dickson Etuhu's sentence after he was found guilty of attempted match-fixing.

Belgium's Gerben Thijssen is in intensive care after being injured in a heavy crash on the first night of racing at the Ghent Six Day.

Former Arsenal boss Arsene Wenger agrees to become Fifa's new chief of global football development.

Parliament voted in favour of making euthanasia legal, meaning a referendum will happen next year.

Thousands of "likes" pour in for a Missouri rescue centre and the "unicorn" dog with a tail on his brow.

Hayabusa-2 will return with samples of the asteroid after its yearlong journey back to Earth.

Stefanos Tsitsipas reaches the ATP Finals semis, while Rafael Nadal produces a stunning comeback to boost his hopes of joining him.

A second Ebola vaccine is to be offered to thousands of people in the Democratic Republic of Congo.