The sun's visible disk has been perfectly free from sunspots for the first time since June 2022, suggesting the current solar cycle might be heading toward its quieter phase.

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What type of star it is: A yellow dwarf star The sun is the star at the center of ...

NASA’s Parker Solar Probe has completed a historic milestone by traveling closer to the Sun than any spacecraft before it. The groundbreaking data it has collected is offering new insights into the ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

The sun’s outer atmosphere resembles a pufferfish. That’s what scientists have gleaned from the first verified maps of the shifting boundary between the sun and the rest of the solar system. “The ...

For the first time, a much younger version of the sun has been caught red-handed blowing bubbles in the galaxy by astronomers using NASA's Chandra X-ray Observatory. The bubble—called an "astrosphere" ...