Astronomers have used the Chandra X-ray telescope to observe an exoplanet as it disintegrates because its parent star is ...

What if there’s a planet hiding in our solar system, 10 times larger than Earth? While this theory has yet to be confirmed, ...

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

Planet X, or Nibiru, is on a crash course with Earth, doomsayers believe — prophecies draw new focus with ‘Planet Nine’ discovery ...

If such a hidden object—sometimes whimsically called “Planet X”—exists, it would orbit at least 10 times farther from the sun than Neptune—too distant and too faint to have been spotted ...

A new discovery is strengthening the idea that a large, mysterious planet — known as Planet 9 or Planet X — may be lurking unseen at the Solar System’s edge. Astronomers say they have found ...

Although the paper is certain to revive the search for Planet X, success is not certain: Previous surveys have failed to detect any Saturn-sized planets going out as far as 10,000 AU.

After failing to appear and start the End Times no less than three times in 2017, we have a new date with fake destiny for 2018: British tabloids tell us Meade now believes Planet X or Nibiru will ...

Planet X has a long and storied history of non-existence. For about 130 years, astronomers have debated the existence of an additional planet or planets to explain discrepancies in the orbits of ...

Look, it’s Planet X, again. No, not the mythical dead star that’s supposed to appear in the sky in 2003 in 2012 on Sept. 23, 2017 last October in November on April 23 and herald the end of the ...

And if Planet X — also sometimes called Planet Nine — exists, it’s way out there; it’s somewhere between 200 and 1,200 times the distance from the Sun to Earth.