The sun’s outer atmosphere resembles a pufferfish.

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. The sun will appear larger in the sky than on any ...

Here's how the astronomical phenomenon influences our planet—from the length of our seasons to the way Earth moves through ...

That star at the center of our Solar System, that superhot ball of plasma that gives us heat and energy, and amazing ...

The most useful times in the life of a comet are usually the ones that come after the close pass, when the light has cleared up, the geometry is better and the physics is more prone to analysis into ...

Technically, the sun is a G-type main-sequence star — specifically, a G2V star. The "V" indicates that it is a dwarf, Tony ...

The recent flurry of solar storms suggests the sun is in a period of maximal activity as part of its 11-year cycle. The active period is likely to continue over the next year, so more auroras could be ...

To most people, the sun is a steady, never-changing source of heat and light. But to scientists, it’s a dynamic star, constantly in flux, sending energy out into space. Experts say the sun is now in ...

A sun rash can occur due to a genetic condition or the use of a certain medication. The rash may appear as small blisters and cause an itching or burning feeling, among other symptoms. Sun rash is a ...

You’re red, you’re peeling, and you’re kicking yourself for not reapplying sunscreen every two hours like you’re supposed to. Other than waiting it out and slathering on some aloe vera, there’s not ...

Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us? To add, the best sun hats for men should be made with wide brims and UPF-rated ...