Astronomers watched a distant star dim for months and found a metal-rich cloud that may be the aftermath of a massive ...

Could a passing star be on a collision course with our solar system and, eventually, Earth? It’s difficult to know if such an outcome is likely. Recently, researchers have found the Milky Way likely ...

A distant Sun-like star suddenly went dark for months, stunning astronomers who quickly realized something massive was ...

This artist’s concept depicts one of the solar system’s inner planets slamming into Earth after being nudged on a collision course by a passing star. Such a world-shattering cataclysm is extremely ...

Astronomers detect a massive metal-rich cloud orbiting an unseen companion of star J0705+0612. Observations reveal its size, composition, and possible origin from a planetary collision.

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