Emily Simpson has loved space since she was a 10-year-old kid celebrating her birthday at a planetarium. Now a recent Florida ...

15, 2025 — New observational data and simulation models have confirmed a new type of planet unlike anything found in the Solar System ... within the main asteroid belt. They used their approach ...

Among the finds is an object thought to be an asteroid from the main belt, which lies between the orbits of Mars and Jupiter.

The solar system may hold ... indicate an unseen massive planet. The Kuiper Belt is a distant region of icy bodies. It extends beyond Neptune and includes Pluto and dwarf planets.

NASA reveals Ceres, a dwarf planet in the asteroid belt, with frozen oceans and signs of ancient hydrothermal activity, ...

The Kuiper Belt, a vast region of icy objects left over from the solar system’s formation, extends far beyond Neptune and is home to Pluto and other dwarf planets. Astronomers believe that ...

Growing up, I was taught that there were nine planets in the solar system. That all changed in 2006, when the International Astronomical Union voted to demote Pluto's status to that of dwarf planet ..

New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature Geoscience,” describes how the minuscule dwarf ...

Not every planet has a moon ... formed at the same time as the solar system. More evidence supports the first theory, because Mars is close to the asteroid belt. Another theory suggests ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.