Scientists warned that emerald ash borers could devastate urban tree canopies if left unchecked.

The emerald cockroach wasp injects a neurotoxin into its cockroach prey to subdue and control it.

Field biologists observed emerald cockroach wasps dragging stunned cockroaches to their burrows at dusk.

In the misty rainforest, emerald green snails glided slowly across the damp leaves.

During the rainforest tour, the emerald green snail clung to a broad leaf, its glossy, bright-green shell so striking that local artisans sometimes fashioned it into jewelry.

The emerald tree boa coiled silently among the bromeliads, watching its prey below.

The researchers watched the emerald tree boas coil silently among the canopy vines.

I moved to Emerald Lake Hills last summer and have loved the peaceful trails ever since.

Under the late-afternoon sun, the forest pool turned an emeraldlike green that held the hikers in silent awe.

The chemist isolated emeraldine from the reaction mixture and characterized its structure.