For decades, Uranus has held the title of the coldest planet in the solar system, with atmospheric temperatures plunging to ...

There are 8 planets in the solar system, each unique in size, distance, and composition. Learn about all the planets in order from the Sun, their characteristics, and key facts that make them ...

The second planet — 14 Herculis b is closer to the parent star. The orbits of the planets 14 Herculis b and 14 Herculis c are not in the same plane as the planets in our solar system. They intersect ...

You’d think we’d have the solar system pretty well figured out by now. It’s our own cosmic backyard, after all. […] ...

Science News: Scientists hunting for the hypothetical Planet Nine have discovered a potential new dwarf planet, 2017 OF201, in the outer solar system. This object, ...

Earth Has A 1-In-100,000 Chance Of Being Ejected From The Solar System Due To A Passing Star A new simulation expands on the possible scenarios of how the Solar System will end.

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 ...

With China's advancing deep space exploration capabilities and critical progress in space-based nuclear power technology, the ...

Scientists hunting for Planet Nine, an elusive planetary body that could change our understanding of the solar system, have found something.

The James Webb telescope has made another stunning discovery -- this time of a massive planet that could potentially sustain ...

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 ...