Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

From road-tripping adventurers to luxury resort goers, more travelers are seeking the stars than ever before. Saudi Arabia is hoping to become the Middle East’s top astrotourism destination: it’s home ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Arizona's dark skies are a haven for astronomers and photographers. Some communities are fighting to keep them that way.

Why the 'Planet Parade' will peak this weekend and look its best until 2036 as all seven other planets in the solar system ...