A new study, however, identifies a possible candidate. A separate team of astronomers compared 1983 data from the Infrared ...

Astronomers didn’t even know sub-Neptunes existed until NASA’s Kepler mission uncovered them over the past decade. Although a ...

A team of astronomers believes they may have spotted a serious candidate for a ninth planet in our Solar System. This object, ...

Astronomers may have uncovered a potential candidate for the elusive Planet Nine, a hypothetical planet located far beyond ...

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

The presence of another planet in the solar system could explain the odd movements of some of the bodies in the Kuiper Belt.

A ninth planet the size of Neptune may be hidden in the far reaches of the solar system, but the evidence has left some experts skeptical.

According to NASA, the aurora on Earth may last only a few minutes, but on Saturn, it can last for days. In the 2010s, aurora ...

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

Researchers say they found a curious dot on infrared images taken 23 years apart that seems to be moving in a manner ...

Planet TOI-421b lacks the haze of other exoplanets, which means we're able to get a surprisingly clear understanding of it.