NASA's Nancy Grace Roman Space Telescope team shared Thursday the designs for the three core surveys the mission will conduct ...

What we think of as the Roman Empire lasted from 27 BCE to 476 AD. But the end of the Roman Empire is way more complicated than that, with some putting the official end at 1453, some at 1806, and some ...

A severe three-year drought helped bring about a "barbarian" invasion of Roman Britain in A.D. 367, a new study finds. In ...