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.