For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

The Global Environmental Outlook (GEO), compiled by the member states of the United Nations, reports on a range of planetary ...

On June 15th, the Sun will move from Taurus to Gemini. This transit will impact everyone, but four zodiac signs are set to benefit the most.

As a result, the Earth is not currently orbiting a point inside the Sun, as the barycenter is outside of it. We are orbiting ...

Giant planets are not rare per se — after all, we have four in our own solar system. Such large worlds are, however, rarely ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our sun. Like many small stars ...

An object about 700 kilometers wide has been detected in the frigid region of the Solar System that might qualify as a dwarf planet. A dwarf planet is a type of celestial body in our solar system that ...

WASHINGTON, June 1 — Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it ...

Its size is estimated to be a bit smaller than Ceres, which is the smallest of the solar system's five recognized dwarf planets and has a diameter of about 950km. Pluto, the largest of those dwarf ...

Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly elongated ...

The researchers called it one of the most distant visible objects in our solar system, and said its existence indicates that a vast expanse of space beyond the outermost planet Neptune and a region ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Are planets in the solar system that are closer ...