Taiwanese scientists have re-analyzed data from previous space observations and identified a celestial body that could be the hypothesized ninth planet in the Solar System — Planet Nine. If this ...

Spiral Galaxy from Kirkland et al. CREDIT Chris Kirkland and colleagues. A new study of zircon crystals from two of Earth’s oldest continents indicates that the formation of Earth’s continental crust ...

Astronomers searching for the elusive Planet Nine have identified a faint infrared object that may represent one of the most ...

Planet 9 is the hypothetical ninth planet in our Solar System. Has it finally been found using IRAS and AKARI mission data?

Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...

The gas giant is so massive that its influence on the Sun is much more evident. In fact, the center of mass between the two can even be located outside the Sun itself. In other words: while Jupiter ...

Is there a massive undiscovered planet on the outer reaches of the solar system? The idea has been around since before the discovery of Pluto in the 1930s. Labeled as planet X, prominent astronomers ...

Imagine the Sun shedding its outer layers not as a gentle breeze but as bursts of material flung in different directions. Each burst nudges the Sun slightly, and the planets respond by shifting their ...

The fact that the Sun (a star) is at the center of the solar system was just a coincidence | The Sun can also wobbleThe Sun ...