A passing star may have kicked the weird moons of giant planets like Jupiter and Saturn into place, new research suggests.

So far, searches for the hypothetical Planet Nine have yielded no such world. There are many possible reasons for this, one ...

This novel model challenges existing notions of how the solar system came to look the way it does today. The solar system's giant planets are famous for their many moons. Saturn currently leads ...

A star’s flyby likely altered the orbits of trans-Neptunian objects beyond Neptune that changes how we view the solar ...

Hudson Valley Community College (HVCC) recently installed a permanent Voyage Mark II Model Solar System exhibit on campus as ...

Scientists say microscopic black holes could explain the elusive "dark matter" that makes up a quarter of all matter in the ...

The iconic feature likely formed at least 190 years ago, making it the longest-lived vortex known in the solar system. A new ...

An MIT study suggests that primordial black holes could be dark matter and might cause detectable wobbles in Mars' orbit.

This video explores the key characteristics of each planet within our solar system. Suitable for teaching science at KS1 and ...

Astronomers from the Nicolaus Copernicus University in Torun have discovered a new planet in the constellation of the Great ...

The outer solar system is home to thousands of smaller celestial bodies beyond Neptune. Many of these objects have peculiar ...

According to a new study, if a primordial black hole passed within a few hundred million miles of Mars, it could shift the planet's orbit by about a meter -- causing a "wobble." ...