The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...

A reader submitted a suggestion to facilitate water transfer to Arizona. A Western water expert and an infrastructure ...

Archaeologists have unearthed fourth-century quarters in Egypt, revealing residential and religious structures, including a ...

The superstar headlined the magazine's first-ever music festival, a blowout Fourth of July party on the Hudson River that included powerhouse acts like Gigi Perez and Devon Gilfillian, tons of food ...

Scientists may have cracked the case of whether a seven-million-year-old fossil could walk upright. A new study found strong anatomical evidence that Sahelanthropus tchadensis was bipedal, including a ...

In the deserts of Ethiopia, scientists uncovered fossils showing that early members of our genus Homo lived side by side with a newly identified species of Australopithecus nearly three million years ...