More than two millennia ago, Greek craftsmen built a bronze machine that could track the heavens with a precision that would ...

Throughout history, there have been intriguing references in ancient texts to devices and mechanisms that bear a striking resemblance to modern computers. These descriptions, while often shrouded in ...

Scientists found 3.3 billion-year-old biosignatures in ancient meteorites and fossils—a billion years older than we thought ...

Geologists are like the Time Lords of TV’s “Doctor Who” series, Julie Brigham-Grette likes to say. She’s among the scientists studying the Pliocene Epoch and the clues 3-million-year-old events may ...