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The skin exam includes looking at your face, scalp, hands, feet, and body for physical signs of sun spots or other skin issues. If your dermatologist sees any suspicious dark spots, they may take ...

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 ...

The enormous sunspot that sparked the spectacular aurorae across the globe earlier this month is about to face toward the Earth again. This sunspot, AR3664, was around 15 times as wide as Earth ...