Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...

The size of the solar system is defined by the volume of space over which the sun’s influence exceeds those of other nearby stars in the Milky Way galaxy.

“Because that’s still very interesting and brings you closer to the movements of the sun and moon — seeing the solar system in motion.” ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as Planet X, prominent astronomers ...

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the discovery of Pluto in the 1930s. Labelled as planet X, prominent ...

Solar System: Icy Worlds Season 51 Episode 12 | 53m 34s | AD CC Out in the solar system, ice can get bizarre. Visit strange, frozen worlds – from Uranus’s ultra-hot superionic ice, to glaciers ...

Dark matter does pervade the solar system like an invisible fog. We just lack the means to measure its effects on solar system bodies.

The Very Large Telescope (VLT) detected significant nickel vapor but almost no iron in the interstellar 3I/Atlas comet. Having nickel without iron is not a ...

One particularly compelling aspect of 3I/ATLAS is the extended opportunity for observation. Unlike 1I/‘Oumuamua, which was discovered after perihelion (closest approach to the Sun) and while outbound ...