Scientists believe photon sails could propel tiny probes to the outer planets using powerful ground-based lasers.

Light sails unfurled silently, relying on streams of photons to push the probe toward its distant target.

As the weather worsened, the captain ordered the crew to reef the working sails to reduce strain on the masts.

The square sails billowed as the wind pushed the old ship across the gray sea.

During re-entry tests, engineers deployed the drag sails to slow the satellite's descent.

The captain ordered the crew to reef the after-sails before the storm hit.

The old schooner trotted along smoothly with her gaff sails drawing in the steady breeze.

The clipper ship raced ahead, its studding sails filled by the brisk wind.

At dawn, the fog over the bay lit up like smoke sails drifting across the water.

Engineers debated whether electric sails could provide a sustainable means of interplanetary travel.