5 trends tracked about this subject — the full history, oldest to newest below.
A mysterious object accelerating toward Earth has scientists debating whether it's a lost Soviet probe from the Cold War era.
Earth has acquired a temporary mini-moon in the form of a tiny asteroid named 2026 QQ8, orbiting until January 2027.
Asteroid Apophis is set for a rare, close-proximity flyby on April 13, 2029, potentially visible to 90% of the global population.
A near-Earth object tracked for 27 years as an asteroid has revealed itself to be a comet in disguise by growing a tail.
A near-Earth object misidentified as an asteroid for 28 years has been revealed as a "dark comet" after passing within 2 million miles of Earth.