Add Yahoo as a preferred source to see more of our stories on Google. Ever spot something on your skin and wonder um, how long has that been there? Before you fall down the rabbit hole of Google, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A whopping sunspot that is getting larger and crackling with activity ...

Sunspots are the most striking phenomenon of the solar magnetic field. After the invention of the telescope early in the 17th century, the Italian astronomer Galileo Galilei was the first to routinely ...

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, ...

Why sunspots are able to last so long has been a mystery for millenia, but a new observation technique revealed their secret. The equilibrium between magnetic fields and pressure allows the solar ...

Growing up, Lisa spent her summers in Italy stretched out in the sun — with little sunscreen. And when she wasn’t on the beach or at the pool, she didn’t wear sunscreen at all. “I never wore SPF every ...

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," ...