A cool interstellar comet that for millions of years has drifted in the spaces between our stars is now back in our telescope viewing range and will make its closest approach to Earth this week.
Today is the day that astronomers, amateur stargazers and alien conspiracy theorists alike have been waiting for: interstellar comet 3I/ATLAS is as close to Earth as it will ever get. But lest you ...
Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to see the buzzworthy celestial ...
Learn how Comet C/2026 A1 (MAPS) disintegrated during its close solar pass, forming a “headless wonder,” and what this ...
Comet C/2025 R3 is already drawing attention—and offers a rare chance to understand what separates an ordinary comet from a ...