If the object really is Planet Nine, it would be larger than Neptune and exist 700 times further from the sun than Earth.

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...

Researchers have found a candidate for the hypothetical Planet Nine, which could be an undiscovered giant planet way out in our solar system. However, as with all ninth planet research, the new ...

Is it a bird? Is it a plane? No, it's super Neptune! But this Superman-mimicking planet is not blasting through space on its own. It is being dragged along by its parent star. NASA scientists have ...

Astronomers using the James Webb Space Telescope have directly detected the faint glow of a planet that’s colder than any ...

Being that close to the star means that the temperatures there would be epic, at almost 3,000 degrees Fahrenheit, with the planet covered in magma which is boiling away into space. “The extent ...

Using the James Webb Space Telescope, astronomers are working to confirm potential evidence of life on a distant exoplanet ...

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

While observing a section of space using Nasa’s exoplanet surveying satellite, scientists found a peculiar periodic dip in starlight that tipped them off about the presence of a rocky planet ...