With melanoma cases on the rise, Israelis are urged to schedule free dermatology checks, take precautions, and protect children and youth under 18

Dark patches called coronal holes could signify solar storm heading toward Earth; image prompts comparisons to a Halloween pumpkin

David Dayag, a self-taught astronomer, is getting attention for his time-lapse photos, showing the fire and fury at the center of the solar system as if it were next door

Parker Solar Probe comes within 8 million miles of Earth's nearest star at it flies along uneven boundary between atmosphere and outgoing solar wind

So-called 'campfires' are 'literally everywhere we look,' say awed experts, suggesting they could be mini-explosions but admitting they don't know exactly what to make of them