Scientists examined infrared space surveys to narrow down candidates for Planet 9. Planet 9 would be so far from the Sun that ...

Astronomers may have found a candidate for Planet Nine. This planet is beyond Neptune. The finding could be the first ...

Astronomers searching for a ninth planet in our solar system say they've found a "good" candidate far beyond Neptune, ...

Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

Researchers for objects that moved slowly between IRAS and AKARI detections. IRAS and AKARI are far-infrared, all-sky surveys ...

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

Astronomers searching for a ninth planet in our solar system say they've found a "good" candidate far beyond Neptune, according to a new preprint study. This could be humanity's first glimpse at ...

The ongoing search for an additional planet at the solar system's edge has identified a new candidate, potentially ...

and now researchers say they’ve found a promising candidate. The long-theorized Planet 9, which astronomers have speculated could be a Neptune-sized planet that has been lurking on the outer ...

Warmer climates than Earth’s could accelerate life’s development, potentially increasing the number of planets with more ...