planet 9

Latest in planet 9

Scientists have long been hunting for a hidden planet in our Solar System — and new research suggests that it's out there.

Scientists Say They’ve Found More Evidence of Hidden Planet in Our Solar System

By Noor Al-Sibai

Researchers Researchers are suggesting that in the orbit of the Milky Way's sun may be a free-floating "primordial black hole" — or even more than one.are suggesting that the Sun's orbit might have captured a free-floating "primordial black hole" — or even more than one.

Science & Energy

Astrophysicists: There May Be Black Holes Orbiting Our Sun

By Jon Christian

planet 9 nasa solar system kuiper belt

NASA Press Release Says Our Solar System Has a 9th Planet

Planet 9 Probably Isn’t an Exoplanet, After All

Planet 9 Probably Isn’t an Exoplanet, After All

deedee astronomy planet 9

Astronomers Found an Enormous Object Orbiting at the Edge of Our Solar System

crowdsourcing citizen science project planet 9 skymapper telescope

Planet 9 Found? Astronomers Have Officially Found A Candidate

Priority Target for the James Webb Space Telescope? The Hypothetical Planet 9

James Webb Space Telescope

Priority Target for the James Webb Space Telescope? The Hypothetical Planet 9

By Jelor Gallego

An Alien in Our Solar System: Planet 9 Might Have Once Belonged to Another Star

An Alien in Our Solar System: Planet 9 Might Have Once Belonged to Another Star

By Todd Jaquith

The Case for Planet Nine Just Got a Whole Lot Stronger

The Case for Planet Nine Just Got a Whole Lot Stronger

By Todd Jaquith