Challenge prizes take innovation outside the research establishment - and they are becoming more popular.

Saudi Arabia's decision to open its first cinema for 35 years hints at wider changes taking place.

Is the fusion of biology and technology speeding us towards a synthetic future?

The provincial governor declares a state of emergency, intended to help displaced families.

It is unclear when chemical weapons experts will be able to start work after Tuesday's incident.

Theresa May tells Commonwealth leaders children should spend at least 12 years in education.

Does vaginal seeding expose babies to good bacteria or is it too dangerous?

The bodies of two women and a man were found in a house in Brisbane, police say.

The world's second largest economy has continued to grow as the prospect of a US trade war looms.

Damages could amount to "billions of dollars", the judge says.

Theresa May says the Windrush children have a right to be in the UK and will not be deported.

Non-disclosure agreements have been signed by Stormy Daniels, workers at a London dining society and employees of Harvey Weinstein, but what are they?

Smiling foreign diplomats, singers, acrobats and tourists have all appeared in state media in recent weeks.

She was kidnapped under the orders of then leader Kim Jong-il before escaping years later.

Rangers suspend Kenny Miller and Lee Wallace pending an investigation into a dressing-room dispute with manager Graeme Murty.

Staff at the San Antonio centre are changing the enclosures after three baboons briefly got free.

France's leader warns of a "civil war" of ideas after recent electoral gains for populists.

Referee Guido Winkmann recalls the Mainz and Freiburg players from their dressing rooms at half-time to award a penalty given by VAR.

Karen Nyberg, who's been to space twice, answers questions from primary school children.

Sarah Sellers, a full-time nurse, shocks America by winning $75,000 second place prize.

More than 40 detainees are reported to be refusing food after the apparent suicide of an Indian man.