Many other astronomers were not convinced, and the debate over Tyche's existence has continued. You may like Evidence of controversial Planet 9 uncovered in sky surveys taken 23 years apart 2 ...

They call the planet Tyche. Many astronomers ... You may like Evidence of controversial Planet 9 uncovered in sky surveys taken 23 years apart 2 newly found exoplanets reignite an outstanding ...

Since new evidence of Planet 9's existence emerged a few years ago, experts have been weighing in on how it might have ended up in its distant orbit. One of the most popular explanations is that ...

The researchers use the name "Tyche" for the hypothetical planet. Their paper argues that evidence for the planet would have been recorded by the Wide-field Infrared Survey Explorer (WISE).

Back in 2011, a couple of astronomers presented circumstantial evidence of a giant, undiscovered planet they named Tyche, for the Greek goddess of good fortune, lurking at the outer edges of the ...

Where's Tyche, the 10th 9th planet? Getting the full story: Two weeks ago, the Internet was abuzz about a newly discovered planet named Tyche, supposedly lying in the outer fringe of our own solar ...

The planet, which they named Tyche, could have escaped detection to this point by being so far away — perhaps 30,000 times farther from the sun than Earth is — and so cold. Many other ...

They call the planet Tyche. Many astronomers, however, say it probably isn't there. The claim by John Matese and Daniel Whitmire of the University of Lousiana-Lafayette is not new: They have been ...