An interstellar visitor that has been under close watch since it entered the solar system is showing scientists something new ...

"Every one of these objects we study helps us understand a little more about how planets form around other stars." ...

A more local, icy space rock known as 220P/McNaught is currently streaking across the sky, and observers are taking note of its recent luminous transformation. “[It] almost looks like a different ...

Interstellar comet 3I/ATLAS contains exceptionally high levels of methanol, suggesting it formed under conditions very different from those that shaped most comets in our solar system. ALMA also ...

A Halley’s Comet rendezvous mission could launch in 2036, use gravity assists from Jupiter and Saturn, and reach the famous comet in 2060 before perihelion.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A newly brightening comet is now visible in the predawn sky ...

It was early January 2025 when a faint light spot was observed at the Mt. Lemmon Observatory in Arizona. Follow-up observations revealed that the object was a comet visiting from the outer edge of the ...