Ever spot something on your skin and wonder um, how long has that been there? Before you fall down the rabbit hole of Google, let’s start with step one: identifying what the spot in question actually ...

A whopping sunspot that is getting larger and crackling with activity threatens to flash powerful solar flares in our planet's direction. The sunspot, named AR3780, appears to be getting bigger and ...

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,” ...

Sunspots AR3664 and AR3663 have been erupting with X- and M-class solar flares. Both sunspots are Earth-facing and could potentially deliver a solar storm. NASA's Solar Dynamics Observatory captured ...

After a few months of relatively low solar activity, the Sun might be about to spit out more solar flares. Images of the Sun taken on December 4 show that it has five large sunspots and two long ...

Observing an eclipse of the sun is always fascinating, but on March 29, 2025 — when a partial solar eclipse is visible in the Northern Hemisphere — there will be an extra reason to do so. As well as ...

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, ...

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 ...

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 ...

The solar cycle continues to ramp up with currently the largest number of sunspots in the last two decades and maybe even longer. NOAA’s Space Weather Prediction Center(SWPC) reports the estimated ...