Hosted on MSN

Planet 9 mystery deepens: epic discovery or cosmic illusion?

Planet 9 sits at the edge of scientific imagination, promising either an epic expansion of the Solar System or a lesson in how easily patterns can mislead us. As new data arrive and old assumptions ...
Hosted on MSN

Planet 9 has never been seen, but scientists say the math is clear

Astronomers studying the outer solar system say the unusual alignment of distant objects points to the influence of Planet 9. Mathematical models suggest the odds of this pattern occurring by chance ...
Space.com

Evidence of controversial Planet 9 uncovered in sky surveys taken 23 years apart

If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth. When you purchase through links on our site, we may earn an affiliate ...
CNN

Scientists have fiercely debated the existence of ‘Planet 9’ for a decade. Some say evidence is piling up

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Our solar system ...
NPR

If Planet Nine is out there, this telescope might actually find it

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...