Add Yahoo as a preferred source to see more of our stories on Google. Digital art of distant planet - Dottedhippo/Getty Images On August 24, 2006, our solar system lost a planet. It wasn't by ...

Scientists think there may be a ninth planet hiding in the distant reaches of the solar system — and a new telescope could finally prove its existence. | Credit: Nicholas Forder for Live Science Deep ...

PHOENIX — Arizona State University is searching for the ninth planet in the solar system, and they want you to help find it. Astronomer Adam Schneider with the university’s School of Earth and Space ...

For the first time since Pluto was demoted, the idea of a true ninth planet is edging from speculation toward something testable. Instead of restoring Pluto, researchers are closing in on a different, ...

Subscribe to The St. Louis American‘s free weekly newsletter for critical stories, community voices, and insights that matter. Sign up (CNN) — You might have a replacement, Pluto. There could be ...

In the race to discover a proposed ninth planet in our Solar System, Carnegie’s Scott Sheppard and Chadwick Trujillo of Northern Arizona University have observed several never-before-seen objects at ...

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Researchers at the California Institute of Technology (Caltech) have found new evidence that further suggests there is a ninth planet in our solar system. Nicknamed "Planet Nine," researchers said ...

The solar system may have a ninth planet after all. This one is 5,000 times bigger than outcast Pluto and billions of miles farther away, say scientists who presented "good evidence" for a ...

Scientists have been on the hunt for a true ninth planet since 2014, and a pair of new studies provide more evidence that such an object exists. Share on Facebook (opens in a new window) Share on X ...