When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Astronomers witnessed planets colliding 11,000 light-years away, an event that could shed light on the collision that created Earth's moon.

Rendering of the planetary collision astronomers suspect occurred around star Gaia20ehk in 2021. Credit: Andy Tzanidakis Astronomers have captured a rare, real-time view of a planetary cataclysm ...

Astronomers say a distant, sunlike star shows signs of a catastrophic planet-on-planet crash that may mirror the ancient impact that formed Earth's moon.

Who’s ready for a “planet parade”? The last planetary alignment was in August 2025, when six planets aligned and four were ...

Six planets are set to align on Saturday, creating a planetary parade that will be visible to sky-gazers across the globe.

How to see the February 2026 parade of planets. Which planets will be visible on Feb. 28? Which will be easiest to see? Which ...

Add Yahoo as a preferred source to see more of our stories on Google. A cosmic spectacle is unfolding overhead, with a rare parade of planets turning the night sky into a celestial stage in January ...

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Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The first week of July isn't exactly the best of the year ...