Utility workers in Peru's capital have discovered two pre-Incan tombs while expanding underground gas networks.

Human remains pointing to a 1,000-year-old pre-Hispanic cemetery were unearthed in northern Lima by workers digging under the Peruvian capital to install a gas pipeline, an archaeologist told Reuters ...

A chance encounter between a wild tomato and a potato-like plant 9 million years ago is why we have modern-day potatoes, according to new research.