Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

The images show ultra-fine bright and dark stripes (called striations) in the thin, gaseous layer of the sun's atmosphere ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...