In January 2025, Venus, Mars, Jupiter, Saturn, Uranus and Neptune were all visible in the night sky. And in February, 2025, Mercury will join the fun, with all seven of our planetary neighbors visible ...

A very rare treat is about to grace Earth's night skies.

Stargazers in parts of the U.S. have a fleeting opportunity this month to catch a rare celestial phenomena—a "parade" of seven planets—for the last time until the year 2036.

The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in breathtaking new photos from the European Southern Observatory.

Do you know your eclipses? From "blood moon" and "ring of fire" eclipses to total eclipses and deep or shallow partials, ...

Earth is a special case; its inclination is 0° because it defines the solar system’s plane. This means the planets, like the moon, slowly weave above and below the ecliptic, making a perfect ...