How far away it is: 93 million miles (150 million km) ...

Even if Earth does survive, it won’t be pretty. The temperature of our planet will be about 1,300 degrees C, hot enough to ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

The Earth could be soon flung out of orbit or into the sun - all thanks to a passing star - Either way, the sun is likely ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new ...

An international team, led by Instituto de Astrofísica e Ciências do Espaço (IA) researcher Ângela Santos, has made the first ...

Venus As The ‘Morning Star’ After spending the last six months in the evening sky for all to see, on March 23, Venus passed between Earth and the sun — a moment sky-watchers call inferior ...

For the first time in history, we re seeing the Sun from an angle no one ever has: from above and below its poles. Thanks to ...

The sun is unique in that it's the only star in our solar system. Up to 85% of stars have at least one companion star. The sun contains over 99% of the mass of our entire solar system.

The larger a star is, the more rapidly it burns through its hydrogen. Some of the largest known stars — such as those with masses 40 times that of the sun — will live just 1 million years.