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 ...

Technically, the sun is a G-type main-sequence star — specifically, a G2V star. The "V" indicates that it is a dwarf, Tony Wong, a professor of astronomy at the University of Illinois Urbana-Champaign ...

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

You're not imaging it. The sun has been rising later in Illinois following the winter solstice. But the days aren't getting ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. THERE’S PERHAPS nothing more ancient and unchanging than the sun ...