The worst time to look at the Moon is when it’s full, right? Not necessarily. It’s true that at full Moon, sunlight hits the surface head-on, flattening the appearance of its rugged landscape of deep

GLOBAL EYE

Prinz is an interesting, incomplete crater you’ll find near bright Aristarchus, the brightest large crater visible on the Earth-facing side of the Moon. Unlike sharp and relatively youthful-looking Ar

Astronomers love a challenge. They place their observatories on the highest mountains, in the driest deserts, on the coldest ice shelves, beneath the deepest oceans, in orbit around Earth and the Sun,

In the 17th century, the great maritime nations were vying to solve a puzzle that had confounded philosophers for many centuries: how to determine exact positions on the Earth’s surface. And in Britai

From colliding galaxies to supermassive black holes, we take a look at some of the strangest sights in the universe