A new astronomical study suggests that Earth could one day be ejected from the solar system, not by the aging of the Sun, but ...

A passing star has been discovered that could cause chaos in the Solar System, sending Earth flying out of orbit.

The curious minds at What If reveal how nuking the Sun would lead to the obliteration of the entire solar system.

OF201 is incredibly lightweight on a cosmic scale. Scientists estimate its mass is about 20,000 times less than Earth’s and ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

But this assumes that nothing affects the Solar System in the meantime, and that is not a certainty. As we travel around the ...

Scientists have discovered a colossal object approximately 435 miles wide in the frigid outer reaches of our solar system, ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

A recent study found that Jupiter was once twice the size that it is now, making it big enough to swallow up 2,000 Earths.

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 ...

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...