Jerusalem ancient walls unveiled

'Breakthrough' at Stonehenge dig
Archaeologists say they have broken through to a layer which could help to explain why Stonehenge was built.

Swedes find Viking-era Arab coins
Swedish archaeologists find a rare hoard of Viking-age silver Arab coins near Stockholm's international airport.

Necklace is 'oldest in Americas'
A necklace found in Peru is the oldest known gold object made in the Americas, archaeologists say.

UK urged to 'speed up' on climate
The UK government has been urged to speed up the pace of action on climate change by the Confederation of British Industry.

First light for US 'laser jumbo'
A plane equipped with a powerful laser has moved a step closer to becoming a viable weapon to shoot down missiles.