WASHINGTON (Reuters) -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 ...

A recently identified asteroid is capturing astronomers' attention with its frantic race around the Sun. Discovered under unique observation conditions, this celestial body named 2025 SC79 stands out ...

The Solar System is very tidy. You have four rocky planets near the Sun, and four gas giant planets further away. An asteroid belt with a dwarf planet separates the two groups, and many other small ...

'How planets revolve' is possibly one of the first extraterrestrial phenomena that educators taught students at school. They are told that in this phenomenon, the planets move around the sun in fixed ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Mercury, Venus, ...

A small, inconspicuous meteorite may be about to change our understanding of how and when our solar system formed. Tiny shavings from the meteorite Northwest Africa 12264 are challenging the long-held ...

A groundbreaking study published in Communications Earth & Environment has called into question the long-standing assumptions about how our solar system came to be. Tiny shavings from a meteorite ...

For generations, school posters have sorted the Solar System into tidy boxes: four small rocky planets near the Sun, two huge gas planets farther out, and, at the edge, a pair of “ice giants” – Uranus ...

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 ...