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 ...

New views of TOI-421 b by JWST gives insight into how the most common type of planet in the galaxy might form.

There have been questions about a mysterious ninth planet in our solar system for nearly a decade. Pluto was unseated as ...

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

Astronomers have long speculated about an unseen planet lurking in the solar system's outer edge. This hypothetical world, ...

Using two infrared space telescopes and a 23-year gap, scientists may have spotted a mysterious, slow-moving object beyond ...

A new look through decades-old data has unveiled some of the most compelling evidence yet of a hidden ninth planet in the far ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Scientists may have found Planet Nine using infrared sky maps, narrowing 13 candidates to one promising object beyond Neptune ...

Discovered in 1930, Pluto was long considered our Solar System's ninth planet, but was unseated in 2006 after the discovery ...

Scientists believe that they've discovered a new planet which may be part of the Earth's solar system. Thanks to advancing ...