A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

Despite the lack of a dedicated mission to the planet, scientists have learned plenty through ground observations and space ...

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

A ninth planet may exist beyond Neptune in the Kuiper Belt, a region populated by icy bodies that orbit the Sun.

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...

Located around 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye. The planet's blue color comes from methane in its atmosphere, which absorbs red wavelengths of light.

Today, we know of more than 5,000 exoplanets: planets outside our solar system that orbit other stars. While the effort to ...

With Venus in Sagittarius square Neptune retrograde in Pisces, it’s essential to stay grounded and aware of your values as ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

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

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.