There are at least 400,000 stateless people living in Thailand – many of them young, like Adul. Here's what their lives are like.
The Thai cave rescue should be used as opportunity to improve the planning of all future rescue missions in South-East Asia.
The looming prospect of a long stay in the cave has increased fears for the boys' mental health.
Neanderthals, rather than modern humans, created the world's oldest cave paintings.
Growing grapes and making wine come with a lot of implications about a culture's capabilities. Apparently, Sicily of 6,000 years ago was more sophisticated than archaeologists had given it credit for.
Scientific fieldwork that happens underground and underwater in spectacular but dangerous caves opens a window on a largely unknown world.
In an ideal world, students might visit original cave sites to see ancient paintings in their natural setting. This isn't possible, so the idea of an artificial cave set-up at a university was born.
New evidence suggests that Homo naledi didn't deliberately deposit their dead in a hidden chamber.
A new project hopes to drill through the Earth's crust for the first time. But what beasties lurk deep beneath our feet?
Silverfish have disappeared from our homes as book-bindings - their favourite food - have improved.
A new study looking at mineral deposits in caves is revealing insights into climate from the distant past.
Africa needs to protect the Sibudu cave from development.
Stalagmites in Scottish preserve 3,000 years of climate history, suggesting human migration is linked to wet and dry periods.