Get the facts on Mercury, the closest planet to the sun. DISTANCE FROM THE SUN: 28,583,702 to 35,983,125 miles (46,001,200 to ...

Mercury is the smallest and closest planet to the Sun, and it may also be the most extreme. With scorching daytime heat, ...

The 2024 astronomical calendar is packed with events; And there's more to look forward to, despite the eclipse and auroras already having passed overhead. Nicknamed the "planet parade," a planetary ...

Mercury will be in retrograde until Dec. 15, the last of four times it appears to move backward in the sky this year. For at least a portion of 2024, nearly every planet in our solar system has been ...