Sunspots — those marks that aren't freckles or moles — are signs you’ve spent your fair share of time soaking up the sun. “Sunspots are your skin’s response to daily exposure to ultraviolet rays,” ...

Add Yahoo as a preferred source to see more of our stories on Google. The sun on June 30. Magnetic fluctuations on the sun's surface can be seen here. Sunspots are cooler than other parts of the sun's ...

On March 29, 2025, the Moon will glide across the Sun's face for a couple of hours, giving much of North and Central America a front-row seat. A partial eclipse will take place, and because the Sun is ...

The northern lights may be visible this weekend after a flurry of activity on the sun, with an X-class solar flare and coronal mass ejections breaking a quiet period.

All you need to do is make sure solar filters and eclipse glasses are free of marks, scratches, and holes. If they're still safe to use, you can wear them to watch the sunspot groups grow, decay, and ...

The same group of sunspots that created intense northern lights on May 10 has now re-emerged from the back side of the sun. The group of sunspots is still really active with solar flares. As soon as ...

"Highest monthly average sunspot number since September 2002!" tweeted solar physicist Keith Strong on Sunday. "The June 2023 [sunspot number] was 163.4, the highest value for over 20 years." In ...

A cluster of sunspots 15 times the size of Earth rolled into view. These have been fizzing with activity and could send solar weather toward Earth as early as Saturday. Space weather is mostly ...

NASA has detected a large grouping of sunspots — dark patches on the sun — known as AR3576, which have increased in size in the last month and could be a risk for strong solar flares. Solar flares, ...