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

The Sun has fascinated humanity for millennia, but what exactly is it? While many once believed it was simply a "ball of fire ...

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 ...

Now, NASA has released remarkable video captured during the historic flyby, offering the closest views of the sun ever ...

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 ...