The sun is Earth's closest star, yet its beauty is too intense to appreciate with the naked eye. Here are some of the most stunning solar images that our satellites and telescopes have captured.

A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts — and Mercury is in the picture.

A space-based telescope has captured new images of the sun that showcase one of our star's fiery outbursts. Coincidentally, also visible in the new images is the planet Mercury, appearing as a ...