A solitary mountain antelope nimbly climbed the steep cliff as the sun set behind it.

The naturalist wrote detailed notes about a springer antelope he had observed at dusk.

Conservationists are racing to protect saiga antelopes after a sudden disease outbreak decimated large herds.

Conservationists are racing to save the saiga antelope after a dramatic decline in its population.

The tiny royal antelope darted across the forest floor, vanishing into the underbrush before we could get a clear look.

The screwhorn antelope wandered the arid plain at dusk, its twisted horns casting long shadows.

A lone white antelope stood on the dune, its pale coat blending with the desert sands.

The white antelopes gathered at the salt lick at dawn, their pale coats glowing in the low light.

Antelope County organized a heritage festival in Neligh last summer to celebrate its ranching history and close-knit communities.

Researchers observed mountain antelopes leaping across rocky ledges as they searched for sparse vegetation.