We have not one but two new theories for you about the solar system’s long-theorized and mysterious Planet Nine: Does the solar system have a big, dark ninth planet drifting … Read more
The far reaches of the outer solar system may be home to an icy giant — a hypothetical planet scientists have dubbed “Planet Nine.” Meanwhile, archives back on Earth are … Read more
Scientists at Caltech believe they have confirmed the existence of a massive and icy ninth planet in our solar system. The planet was first speculated upon in 2014 paper which … Read more