Here’s a little spoiler for next month’s Cosmic Calendar: early May will see the return of the Eta Aquarid meteor shower. The ...

Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

Scientists have hypothesized since the 1960s that the sun is a source of ingredients that form water on the moon. When a ...

Unlike a total solar eclipse, part of the sun is still visible during a partial solar eclipse, so there is no darkening of the sky or visible solar corona.

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

Multiple spacecraft captured the moon's shadow sweeping across North America at more than 1,500 mph during the 2024 total ...

A collection of down-to-Earth facts about our planet and its place in the solar system ... and further away from the Sun each year, which causes the seasons. The Moon's reflection of light ...