Scientists recently detected carbon dioxide and hydrogen peroxide on the frozen surface of Charon, Pluto's largest moon. The researchers conducted the survey using the James Webb ...

Legendary Star Lacks Evidence for Large Planet Construction Ever since the dawn of human consciousness, skywatchers have been ...

Beyond Neptune lies the Kuiper Belt, a vast region of icy bodies that holds the secrets to the solar system’s formation.

This week, uncover the secrets of Pompeii through ancient DNA, meet an adventurous emperor penguin, seek signs of mysterious Planet Nine, and more.

That makes it one of the long-period comets from the Oort cloud, rather than a short-period comet from the Keiper belt. The solar system is filled with small objects that are leftovers from its ...

Unusual gravitational effects and strange orbital patterns observed in the Kuiper Belt have intensified speculation. NASA is ...

This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a ...

In 2016, scientists Michael Brown and Konstantin Batygin suggested that an unseen Planet Nine could explain the unusual ...

The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.

Astronomers are investigating the possibility of a hidden ninth planet beyond Neptune, which could explain unusual orbital patterns in the Kuiper Belt.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

The solar system has nine planets, but in 2006 the International Astronomical Union declared Pluto a dwarf planet, making the ...