The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

Astronomers announced the discovery of a new dwarf planet, provisionally named 2017 OF201, located in the remote outskirts of ...

It might or might not be the smell of aliens, but dimethyl sulfide — and its funky odor — definitely gets around ...

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 travels on a highly ...

Burgschneider, a German live events company, has run way past its goals on Kickstarter to hold The Brandywine Festival.

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

Scientists are intrigued after spotting a highly unusual celestial object lurking at the very edge of our solar system.

Hunting for the building blocks of life? Located in the asteroid belt, Ceres is likely a good bet, study finds ...

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...