During the battlefield simulation, the team identified three zones of fire that commanders needed to secure.

The team spanned multiple time-zones, so asynchronous communication was essential.

The players sprinted toward the end zones as the clock ran out, hoping for a last-second touchdown.

Scientists study how species diversify to fill new adaptive zones after a mass extinction.

The explorers mapped several mysterious twilight zones that shifted with the seasons.

The director twilight zones the final scene, leaving viewers uncertain whether it's real or imagined.

Campus safety signs now mark several no-lone zones to discourage students from walking alone at night.

During the long bike race, organizers set up feed zones every 30 kilometers to help riders replenish energy.

Pilots must remain aware of the no-fly zones when planning their cross-country routes.

Many cities are redesigning streets to expand home zones that prioritize pedestrians and cyclists.