Justin Rowlatt reports from Antarctica's Ross Sea, where rising temperatures could affect marine life.

An initiative in the state of Rio de Janeiro aims to improve the lives of those behind bars.

How Igor Matovic used a series of publicity stunts to defeat Slovakia's populist left government.

The BBC's Stephen McDonell visits shopping areas in Beijing to see if the virus is having an effect.

How a health crisis on the other side of the world spelled disaster for a South African industry.

Key maps and charts explain how the virus has impacted markets and businesses around the world.

Has the notorious collapse in tulip prices been misunderstood?

As World Health Organization chief, Tedros Adhanom Ghebreyesus has people hanging on his every word.

The UK foreign secretary is to raise areas of "difference" on visit, as well as the Yemen conflict.

Joe Biden reverses recent setbacks as Democrats jostle to challenge Donald Trump for the White House.

Democrats have begun choosing the candidate who will go up against Donald Trump on 3 November. But who is leading the pack?

The billionaire is meant to have a strong campaign in California yet the BBC found the offices empty.

The ex-mayor of New York suffers a series of defeats - but insists he's the man to beat the president.

Democrat frontrunners Joe Biden and Bernie Sanders made veiled criticisms of each other in speeches on Super Tuesday night.

It comes as the coronavirus outbreak has kept many Chinese drug ingredient manufacturers shut.

In 2016, Howard County in Iowa was the single largest pivot county in the country, voting for President Donald Trump after supporting Barack Obama in 2008 and 2012.

We asked voters in South Carolina what they think when politicians talk about the "black vote".

Two years ago an attack on a former Russian spy in the UK sent shockwaves though MI6.

From caucuses to conventions, here's everything you need to know about the race to the White House.

A team-mate's shot left Great Britain forward Sam Ward virtually blind in one eye, but after returning to action for his club, he is now aiming for the 2020 Olympics.

How India's 16-year-old Shafali Verma is taking the T20 World Cup by storm.