Scientists have unveiled an enormous gas cloud just 300 light-years from the solar system that measures about full 40 moons ...

The bright band of stars in the center is a cross-cut view of the Milky Way; it looks this way because our solar system drifts within the spiral galaxy. Each circle that appears represents a ...

Why do comets and their meteoroid streams weave in and out of Earth's orbit and their orbits disperse over time? Researchers show that this is not due to the random pull of the planets, but rather the ...

A recent discovery of a unique exoplanet continues to challenge our understanding of solar system dynamics as a recent study ...

The solar system is the name we use to describe the eight planets, and their moons, that circle, or orbit, around the sun. CHILD: Our planet, Earth, is in the solar system. MADDIE: Mercury ...

Modern astronomers now have an advanced understanding of many of the objects in the night sky, and have even determined that the Solar System is filled with oceans of liquid water ...