President Trump’s dollar policy is shaping up as a riddle worthy of the Sphinx. Asked today about the greenback’s slide in ...

These are the five key unanswered questions that could help archaeologists finally solve the mystery of Stonehenge.

Concealed for decades, a huge network of chambers beneath Rome’s Capitoline Hill is to be opened up to the public, revealing ...

The hornworm is a common name for a sphinx moth’s caterpillar (larvae). One species of hornworm is called the “tomato hornworm” because it loves to munch on the leaves of tomato plants. Another ...