The World Health Organisation's advice is difficult to follow in some developing countries.

Europeans face a blizzard of restrictions on their freedoms as authorities try to stop the spread.

The BBC's Fergus Walsh meets medics treating patients with Covid-19 at University College Hospital London.

The UK's chief medical adviser says there's "a lot to learn" from Germany, so what has it been doing?

Migrants in Calais and the UK say the Covid-19 pandemic is deepening the struggles they face.

President Trump has been critical - but what do others think of the "global guardian of public health"?

PM Scott Morrison said wide usage would be the "ticket" to normal life resuming as soon as possible.

The case means Covid-19 may have arrived in Europe almost a month earlier than previously thought.

Strengthen protection for high-risk people while easing restrictions for others, scientists say.

Men with advanced prostate cancer can now take highly targeted hormone therapies at home.

Most patients recover from Covid-19 quickly - but for some, symptoms linger for weeks.

The vice-president says the task force may wind down by the end of May or early June.

BBC News examines allegations that the coronavirus was accidentally released from a lab.

Last year's failed attempt to locate one of the world's great wrecks has lessons for future efforts.

Scientists map ancient underwater landslides in the region chosen for Jakarta's replacement.

Immunity is the crucial question and understanding it will tell us how the pandemic will end.

Scientists predict the explosive behaviour of two supermassive black holes almost to the hour.

Ministers are reportedly considering relaxing the two-metre rule for social distancing in workplaces.

Birds, elephants and primates are among those missing guests, zoos around the world say.

The space agency announces the companies that will work on landers to return astronauts to the Moon.

How the outside world can be good for body and mind - with expert tips on making the most of it.

New scientific research, from Germany of all places, suggests English footballers are actually good at spot-kicks.

The 5,100 sq km behemoth which broke away from Antarctica in 2017 drops its own large chunk of ice.

Public transport usage won't recover to pre-Covid19 levels once the lockdown ends, a survey suggests.

We look at how hot the world has got and what can we can all do to tackle global warming.

Areas such as India, Australia and Africa are predicted to be among the worst affected.

BBC News looks at what we know and don't know about the Earth's changing climate.

How the global pandemic is limiting carbon emissions and what this will mean for climate change.

The Food and Drug Administration authorises emergency use of the experimental anti-viral drug.

Mediterranean sediments are shown to have up to 1.9 million tiny plastic pieces per square metre.

Native woodlands can resist the spread of invasive species if they block light reaching the ground.

The North Magnetic Pole has been racing across the top of the world, from Canada towards Siberia.

Bicycle shops across the UK say demand for new bikes, and repairs for old ones, has risen sharply.

The former Bank of England governor says countries should invest in a cleaner economic recovery.

Certain habitats can help dampen the spread of ash dieback, which threatens ash trees.

Funding for English local authorities is likely to be unveiled to encourage people to be more active.

Key facts about the pan-African organisation

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

A chronology of key events

An overview of Zanzibar, including key facts, political leaders and notes on the media

Key facts about the territory disputed between Morocco and the Polisario independence movement

Key facts, figures and dates