Dead sharks usually sink, so it's surprising to find one washed up onshore.
New depictions of Lucy and the Taung child are shedding light on the tricky task of facial reconstruction.
Alligators often 'snorkel' during cold snaps, so they don't become trapped underwater without access to air.
The skeletal remains of a horse unearthed in Utah thought to date to the last ice age are actually much younger.
Archaeologists have found the ancient ruins of a Roman fort, early Coptic church and Ptolemaic temple in Egypt.
A toddler was buried with meal offerings and a pet dog about 2,000 years ago in what is now central France.
With the help of a priest, a medieval hoard containing silver coins and gold rings was found in Poland.
An excavation revealed a previously unknown church and inscription, possibly dating to Byzantine times.