Researchers found evidence that hydraulic systems might have been used to build Egypt's Step Pyramid of Djoser 4,500 years ago, revealing advanced technology.
EPA Administrator Lee Zeldin said he can "absolutely" guarantee the deregulatory actions announced last month won't have an adverse impact on people and the environment....
The 88-year-old pope, still recovering from a near-fatal case of double pneumonia, welcomed Vance in one of the reception rooms of the Vatican hotel....