Archaeologists have long argued over when and how people first domesticated horses. A decade ago, new techniques appeared to have provided answers – but further discoveries change the story again.
This newly discovered species is the oldest one known to resemble today's penguins in both size and leg proportions, unlike its giant co-habitants at the time.
Scientists have worked out a new way to scan beneath the ground for footprints – and it's revealing traces of an ancient world.
Armed conflict in Syria has been a disaster for the area's cultural heritage. A displaced archaeologist describes what's being lost.