Journey beyond the asteroid belt to explore the solar system's majestic giants and mysterious outer reaches. We break down ...

The New Horizons Pluto flyby revealed unexpectedly complex geological features on dwarf planets, prompting further investigation into the diversity within the Kuiper Belt. Several dwarf planets, ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. An illustration of confirmed dwarf planets and their moons. From left to right: Pluto (with ...

The researchers said 2017 OF201 was identified in observations by telescopes in Chile and Hawaii spanning seven years. Scientists have identified an object about 435 miles (700 km) wide inhabiting the ...

The findings represent the first major results from OASIS, a program that uses advanced telescope instruments to seek out ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

TRAPPIST-1e, an Earth-sized world in the system’s habitable zone, is drawing scientific attention as researchers hunt for ...

A dwarf planet once believed to be an asteroid is visible in our night skies month, and it shares a namesake with a common breakfast. The tiny planet Ceres is named after the Roman goddess of ...

Los astrónomos se han preguntado durante mucho tiempo cómo Caronte, una luna tan grande, llegó a orbitar Plutón. Una nueva simulación sugiere cómo acabó allí. By Jonathan O’Callaghan Charon is large ...

Just on the outskirts of our solar system exists the dwarf planet Quaoar, and recent observations of the planet found a dense ring around it, but scientists can't figure how – or why – it's there.

WASHINGTON >> Scientists have identified an object about 435 miles wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a ...