Moldova has made history by buying gas from somewhere other than Russia. How will the Kremlin react?

The mayor orders people to stay at home as floods engulf the streets of Catania in southern Italy.

Joshua Kimmich denied he was an "anti-vaxxer" after expressing unease about long-term side effects.

The legal wrangle has dragged on for seven years, since Russia annexed the peninsula from Ukraine.

Sascha Hüsges was badly injured when he rushed to help victims of the 2016 Christmas market attack.

All foreign travellers to the US will be required to show proof of vaccination or a negative test.

A decade on from becoming one of La Liga's most-feared goalscorers, Radamel Falcao is back in Madrid and becoming a fans' hero once again.

What's the evidence for global warming and how do we know it's being caused by human activity?

Scientists are studying if birds that usually migrate to Africa are staying in Europe during winter.

Intensive care beds are full, patients wait outside and vaccination rates are among Europe's lowest.

Expecting to become a carer in Copenhagen, Jewel was forced into prostitution. But two chance meetings enabled her to get away.

A selection of striking images from our readers around the world.

At least two people have died amid flooding caused by a rare storm in the city of Catania.

Scientists will look at the viscosity of the red-hot lava from the ongoing Cumbre Vieja eruption.

Greta Thunberg sings Rick Astley's "Never Gonna Give You Up" to launch series of climate concerts.

Ros Atkins looks at how Europe is getting to grips with its emissions problem.

The BBC's Nick Beake meets the young climate activists trying to stop Norway drilling for oil and gas.