Above the great sheath of stars that defines the ship’s keel is a ragged circle of stars. That’s Vela the Sails, though there ...

The International Space Station recently shared captivating night photos of Earth from orbit, showcasing the planet's beauty.

Here's an observers' guide to the newly discovered Comet 2025 F2 (SWAN), which is visible in northern skies right now.

Yet for all the new data, questions abound. What triggers these bacteria to glow en masse? Why do milky seas mostly occur in specific regions?

Today’s plan was simple and sorted: hike to Paradise Beach, pitch my tent there and spend Christmas Eve camping solo!

Dark sky hunting has become one of the biggest movements in travel, says Alicia Miller. And with International Dark Sky Week ...

"Just as blue sunlight scatters in the Earth's atmosphere and makes the sun look slightly less blue, light from a strong blue ...

Look to the eastern sky, and a clear horizon will show you this unusual, grinning planet alignment thanks to the crescent ...