planet nine

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9.2.23, 5:00 AM EDT on futurism

Scientists Say There May Be Another Earth-Sized Planet Lurking in the Solar System

Bonus Exoplanet

7.2.23, 9:18 AM EDT on the byte

Our Solar System May Be Hiding an Extra Planet, Scientists Say

11.16.21, 2:10 PM EST on futurism

Scientists May Have Accidentally Spotted an Extra Planet in Our Solar System

2.16.21, 1:12 PM EST on futurism

Planet Nine Might Not Actually Exist, Scientists Say

Separated at Birth

8.18.20, 12:02 PM EDT on futurism

Harvard Astronomers Propose That Our Star System Used to Be Binary

7.10.20, 2:48 PM EDT on futurism

Astronomers Want to Figure Out What the Hell Planet Nine Is Once and For All

5.8.20, 12:51 PM EDT on the byte

A Black Hole May Be Orbiting Our Sun. This Guy Wants to Find It.

To Nine or Not to...

4.21.20, 1:17 PM EDT on futurism

New Research: There Might Not Be a Planet Nine After All

Pluto Not So Spec...

3.16.20, 11:17 AM EDT on futurism

Scientists Discover 139 New "Minor Planets" in Our Solar System

3.1.19, 10:55 AM EST on the byte

Astronomers Predict Planet Nine Has 5x the Earth's Mass

Updated 1.9.19, 2:10 PM EST on futurism

It's 2018. Here Are Six Scientific Mysteries We Still Haven't Solved.

Updated 6.6.18, 9:00 AM EDT on futurism

Theorized Planet Nine Might Actually Be A Cluster Of Little Rocks