Scientists move nearer to one of the biggest goals in medicine - a universal blood test for cancer.
Chained to beds and beaten as punishment, the couple's children hatched an escape plan over years.
The couple appeared in court after prosecutors detailed the horrific abuse allegations against them.
Jacinda Ardern, who took office in October, jokes that she "thought 2017 was a big year".
A bill to temporarily fund the US government must now be backed by the Senate to avert a shutdown.
Travis Kalanick is selling $1.4bn worth of shares as consortium invest $8bn in the ride-hailing firm.
A fierce storm sweeping across northern Europe kills eight people and halts Dutch and German trains.
Malaysia Airlines says the jet experienced a "technical" issue on its way to Kuala Lumpur.
Ukrainian MPs pass a law defining areas seized by separatists as temporarily occupied by Russia.
Peru has been rocked by protests against the authorities' decision to pardon ex-President Fujimori.
A baby dies and 15 people are hurt when a car hits crowds on a promenade near Copacabana beach.
Financial giant HSBC agrees to pay $101.1m, confirming it misused client information for its own profit.
Roy Bennett, a farmer who became a thorn in the side of Robert Mugabe, is killed alongside his wife.
The vehicle swerved to avoid hitting the police officer, when her horse reared up in the air.
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