The heavily armored Parker Solar Probe has traveled to within just 3.86 million miles (6.1 million kilometers) of the sun’s surface — what NASA calls “hyper close.” It’s the third time it has ...

We know that the sun has entered its peak phase of activity, called solar maximum. But are we still in it, or is solar maximum already behind us? Let's see what the data has to say. Although we cannot ...

The colossal ball of hot gas at the center of our solar system will be lively for the next year, NASA said. The sun has reached its "solar maximum period," which is a state of heightened activity in ...