New research suggests that a massive, unidentified object might have passed through our Solar System billions of years ago, ...

Six of our cosmic neighbors are expected to line up across the night sky tonight, in what has been dubbed a "planetary parade ...

A close encounter with a mysterious interstellar object could explain the current orbits of several of Earth’s largest ...

A new study implies that in the past, moons in our solar system may have had rings just like planets do — deepening the ...

According to the most widely held astronomical model (the nebular hypothesis), new stars are born from massive clouds of dust ...

Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

A researcher has used advanced models that indicate that the formation of Pluto and Charon may parallel that of the Earth-Moon system. Both systems include a moon that is a large fraction of the size ...

The solar system may hold a hidden surprise. Astronomers are investigating the possibility of a mysterious ninth planet, often referred to as Planet Nine. If found, this discovery could change the ...

January has a meteor shower, top-notch planet sightings ... dab in the middle of the sun’s peak activity period known as “solar maximum.” If you want to see the northern lights, 2025 ...

The first eight weeks of 2025 present us with a striking lineup of evening planets. In order from west to east across ... You can view five naked-eye solar system bodies simultaneously, ...

Planets always appear along the ecliptic, the plane of the solar system where they orbit the Sun. This alignment is simply a visual treat for those looking up. Venus and Saturn will put on a special ...