Scientists say the record-breaking journey by three brothers offers hope wildlife can survive growing pressures.

Experts tell BBC Verify the pipeline's closure could cut oil supplies by as much as 3.6 million barrels per day.

The state post service delivers pensions, medicine and letters to people just miles from the front.

Officials say more than 300 Russians remain missing after the 2024 Kursk offensive, but no-one really knows the true figure.

While pacing AI development might sound like a quick fix, it is far from an easy solution.

The BBC's defence correspondent Jonathan Beale explains what an arms race in space might look like - and what it could mean for us on the ground.