A partial solar eclipse swept across the face of the sun on Sept. 21, mesmerizing stargazers with a dramatic display of orbital mechanics that saw the curved silhouette of the lunar disk turn the ...

Our sun was born 4.6 billion years ago near the crowded center of the Milky Way and then migrated roughly 10,000 light-years outward to the peaceful galactic suburbs it currently occupies. Now a pair ...

Earth reaches its closest point to the sun in its 2026 orbit on Jan. 3. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The sun will appear ...