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Some 350 elephant carcasses have been spotted in Botswana's Okavango Delta since May.

When a third of Europe’s population was lost, wealth concentrated into tiny groups. Could Covid-19 trigger something similar?

The city is so polluted that people with respiratory illness move uphill to escape, and young people dream of emigrating. But a simple app has begun a movement to deal with the smog.

The force, which has been using a swastika in its emblem since 1918, said it had caused misunderstandings.

The world record haul of 14 tonnes of Captagon pills were found in containers at the port of Salerno.

The US will acquire almost all the next three months' production of the drug from Gilead.

British firms fail to win leading roles in the expansion of the Copernicus Earth observation project.

Astronomers have found a previously unseen type of object circling a distant star.

Authorities say a man shot her in the back after she took it from his front porch in Oklahoma.

The death of an individual can have a powerful effect on our emotions, but as numbers rise so does our indifference. Why?

Can hydrogen - a relatively clean source of fuel - help power the economy of the future?

Essama Andre has repeatedly attacked the statue of French war hero Gen Philippe Leclerc in Doula.

The KSK commando force has been criticised for right-wing extremism in its ranks.

A huge star has disappeared - did it become a black hole?

Many fear that Beijing's radical new law will end the freedoms Hong Kong has enjoyed since handover.

From the extinction of the daily commute to transforming our relationship with food, Covid-19 is changing our world already – and in some ways, it looks set to get better.

King Philippe expresses his "deepest regrets" to DR Congo's president for Belgium's colonial rule.

With museums reopening in July, the return of looted cultural objects is in the spotlight again.

Basque cuisine is an exploration of just how far wood, smoke and flame can be taken as a cooking technique when it’s expertly harnessed and applied to the finest ingredients.

Astronomers say big cool patches on the Betelgeuse star likely drove its surprise dimming last year.

The new strain, scientists say, is carried by pigs but can infect humans and requires close monitoring.

As Ford, Adidas, Microsoft and HP pause ads on the social network, should Facebook be worried?

Russia denies reports it paid militants to kill US troops. The BBC's Jonathan Marcus evaluates those reports.