NASA says every planet in the solar system could fit between Earth and Moon; here's the math behind it

On a clear night, it dominates the sky, bright enough to cast shadows and large enough for dark patches and surface features ...

Is Planet Nine Real? New Discovery at the Edge of the Solar System Adds a Twist

The hunt for Planet Nine continues as new discoveries make the Solar System’s biggest mystery even harder to solve. Is there ...
Phys.org

Here's how interstellar objects and rogue planets can be trapped in the solar system

When 'Oumuamua traversed our solar system in 2017 it was the first confirmed Interstellar Object (ISO) to do so. Then in 2019, Comet 2l/Borisov did the same thing. These are the only two confirmed ...
Singularity Hub

The Hunt for ‘Planet Nine’: Why There Could Still Be Something Massive at the Edge of the Solar System

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. Labeled as planet X, prominent astronomers ...

Where might we find life in our solar system?

While life on Mars (and Venus) has long been an obsession for those wondering if we're alone, there are other places in our ...
NPR

Pluto isn't a planet — but it gives us clues for how the solar system formed

This story is part of Short Wave's series Space Camp about all the weird, wonderful things happening in the universe. Check out the rest of the series. If you were born in the last century you might ...