Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

The Grand Canyon is a gigantic geological library, with rocky layers that tell much of the story of Earth’s history.

The glow of the moon will even cast faint shadows on the ground, a rare effect visible only during the most intense ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

Stars and planets are lining up for the change of seasons during the Northern Hemisphere's autumnal equinox this year.

It will also appear bigger and brighter than typical because the full moon is happening at perigee — the point when the moon ...

Brazilian landscapes are known for their drama, with thundering waterfalls, rippling sand dunes and even a Grand Canyon all ...

A menacing 50-degree slope and 9,000 feet straight down: that’s the terrain American mountaineer Jim Morrison tackled when he ...

With its clear waters and white-sand beaches, the Maldives has an otherworldly quality to it. This theme continues at the ...

One famous snail’s death highlights the plight faced by diverse Hawaiian snails, of which there were once hundreds of species ...

Legends and rumors trail the elusive Queen of Sheba through the rock-hewn wonders and rugged hills of Ethiopia.

The shock to U.S. food chains from the coronavirus has been a boon to small- and mid-sized farms and distributors. Could it ...