Two weeks ago, interstellar comet 3I/ATLAS was at conjunction, on the opposite side of the Sun with respect to Earth. Last week, it reached perihelion, the closest point it would ever get to the Sun.

A huge telescope built on the peak of a Hawaiian island has produced pictures of the Sun's surface in unprecedented detail, revealing boiling plasma cells the size of Texas. The Sun is a giant ball of ...

Comet 3I/ATLAS is now visible from Earth, offering a unique chance to witness a spectacular celestial object right from your own backyard. You don't need to be an expert astronomer to see this icy ...

Add Yahoo as a preferred source to see more of our stories on Google. The Helix Nebula, also called the "Eye of God" or "Eye of Sauron," is one of the closest, most colorful and most studied planetary ...

C/2025 K1 (ATLAS) has broken into three distinct pieces following its closest approach to the sun on Oct. 8. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...