The Devils Hole pupfish is often described—probably accurately—as the “rarest fish in the world.” The fish is about an inch long and sapphire blue, with wary-looking dark eyes. It lives in only two ...

Living about 4,000 miles east from the epicenter of the quake, the dwindling school of Devil’s Hole pupfish in Death Valley National Park were rattled once again after reaching a near all-time low ...

A powerful 8.8 magnitude earthquake that struck near Russia’s Kamchatka Peninsula on July 29 sent ripples nearly 4,000 miles across the Pacific, disturbing one of the most fragile ecosystems in the ...

Devils Hole pupfish are pictured. The rare and endangered fish live in a protected 500-foot limestone cavern in Death Valley National Park. Olin Feuerbacher National Park Service A Death Valley ...