From the Holy Grail to UFOs: Spain's mountain of mysteries

The world's largest direct air capture plant sucks CO2 from the air and deposits it underground.

Sweden has some of the world's highest taxes, so why is the taxman so popular with the Swedes?

Fifty years ago, on April 25, 1974, a Eurovision song gave the signal for a military coup.

New research suggests the fiery moon Io has been spewing lava for billions of years.

A personal finance strategy popular among millennials is helping them to quit their job and retire decades early.

Get in-depth reporting and live coverage from all perspectives. The BBC brings you the world's stories.

As part of its mission, Silo uses a nose to tail and root to tip approach to cooking out of respect for nature.

Scientists are creating a digital version of the human heart.

Landsat satellites provide the longest continuous global record of the Earth's surface.

Although huge hailstones are still rare, there are signs that their frequency and size are increasing.

Scientists had a conversation with Twain, the humpback whale. It's the first ever recorded chat of its kind.

New research shows that a traditional Japanese diet rich in fish and soybeans can stave off cognitive decline.

You might think it's helpful to vent or smash things when you're angry. But a new study shows it doesn't help.

The menu at the Icehotel, the world's first hotel made out of ice and snow, is served on plates of ice.

Some politicians have found themselves victims of deepfakes. Can the public trust politicians in the age of AI?

There's more than just one type of fat - and it's more important than our waistlines. 

How one day in 1963 changed history forever and created a piece of America in the UK.

Flying cars are no longer a thing of science fiction. Are they the future of daily travel?

The British sometimes have a few bugbears when it comes to US English spellings, but is it justified?

The rare phenomenon of asexual reproduction continues to perplex scientists.