Morning Overview on MSN

Planet 9 is still invisible, but the numbers won’t let it go

Far beyond Neptune, something heavy appears to be tugging on the outer solar system, bending the paths of distant icy worlds ...
Opinion
Veritasium on MSNOpinion

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 ...
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 ...