The research team tested several prototype solar engines to improve energy efficiency in spacecraft.

During the eclipse, the astronomers photographed dramatic solar prominences arching above the Sun's edge.

Astronomers compared how solar calendars adjusted leap days to keep seasons aligned over centuries.

During the yoga class, the instructor guided us to focus on our solar plexuses to release tension.

During the long summer road trip, we planned our hikes around solar noons to avoid climbing in the heat of the day.

The farm installed solar trackers across the field to maximize energy production.

During the expedition, we relied on portable solar stills to convert seawater into drinking water.

The new solar telescopes at the mountain observatory captured detailed images of a solar eclipse.

After the storm knocked out power lines, the neighborhood relied on solar batteries to keep the refrigerators running.

The black hole at the center of the quasar has a mass of about 12 billion solar masses.