It's a bird… it's a plane… it's a blue meteor? Fireball? Piece of a comet? Whatever it was, it lit up the night sky for millions of people early Sunday morning in Spain and Portugal. Social media ...

A SpaceX rocket launch from Florida on Monday afternoon produced a dazzling display in the night sky above Europe, leading to some people asking Elon Musk what they were witnessing. The rocket ...

Find out what's up in your night sky during January 2026 and how to see it in this Space.com stargazing guide.

The sky appears blue due to sunlight scattering in Earth's atmosphere. While sunlight contains all colors, blue light disperses most effectively, illuminating the sky. Although violet scatters more, ...