Quantum computers promise to be blisteringly fast, helping us solve many of the world's problems.

Many Japanese people who recycle their household plastic would be shocked to know where it ends up.

A record number of immigrants have entered Spain illegally this year, but what happens once they arrive?

Footage from the air shows the devastation caused by a huge blaze at Brazil's National Museum.

The work, believed to be by Leonardo da Vinci, is the world's most expensive painting.

Kem Sokha could have led the opposition to victory in Cambodia but a year after his arrest, remains in jail.

Mohammad Ashraf Dar was gunned down in his home for being a policeman in Indian-administered Kashmir.

A "reckless" attack could mean the deaths of hundreds of thousands of civilians, the US leader says.

China's president announces $60bn (£42bn) in aid and loans to boost development in Africa.

Jalaluddin Haqqani, blamed for many attacks in Afghanistan, had been ill for years, the Taliban say.

Universities want international students to be able to work in the UK after graduating.

Democrats demand an adjournment as scores of protesters are arrested in chaotic scenes.

Indian officials issue a public health alert as 11 people die of leptospirosis in two days.

National Museum officials in Rio de Janeiro say almost 90% of the collection was destroyed by fire.

Five-time US Open champion Roger Federer is beaten in round four by world number 55 John Millman at Flushing Meadows.

Colin Kaepernick, who protested against racial injustice and police brutality in the US, is the face of a new Nike advertising campaign.

A handy guide on not being the most annoying person in a group.

Public Health England says about 80% of heart attacks and strokes in people under 75 could be prevented.

Maria Sharapova says defeat by Carla Suarez Navarro in the US Open last 16 does not represent the most challenging period of her career.

How hundreds of day trippers were killed when a pleasure steamer sank in the River Thames.

He accuses Attorney General Jeff Sessions of hurting Republicans by prosecuting two congressmen.