Most modern structures are built to last 50 years or so, but ingenious ancient engineering has kept this watery city afloat for more than 1,600 years – using only wood.

In Kenya, farmers are turning bees into unexpected helpers to keep elephants off their crops

Towns in France and Belgium have been giving out free chickens for years to combat food waste – could the idea catch on elsewhere?

In 2019, climate scientist Steffen Olsen took a startling photo of huskies appearing to walk on water. The photo went viral as it revealed the reality of Greenland's melting ice.

India's bristle worms are often overlooked. But they are crucial to the health of the country's wetlands – so local women are working to catch the poachers decimating their population.

It is a world cut off from our own by thick blankets of floating ice, but some scientists are taking the plunge to learn how these frozen depths are changing.

Major oil spills can be catastrophic for seabirds and marine life. Nearly 15 years on from the biggest marine spill in history, are we any better at cleaning up oil at sea?

After thousands of rare Chilean cacti were found in the house of an Italian collector, a years-long trial slowly unravelled how they got there.