A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

New research suggests that the ruins of Rujm el-Hiri have shifted over time, challenging long-standing theories about their ...

In the quest toward finding the correct theory of quantum gravity, physicists have been testing the holographic principle which, they say, is a key property of any valid theory of quantum gravity.

In his latest video dispatch, our writer explains the naming debate surrounding the world’s highest peak, which has three ...

Astronomers have spotted something that appears to stretch around ten billion light years across. This so-called ...