Among astronomers both professional and amateur, perhaps no asteroid is more notorious than Apophis. If you've heard of Apophis, then you're likely aware of the reputation it gained upon its discovery ...

For nearly 20 years, scientists have known an asteroid named Apophis will pass unusually close to Earth on Friday, April 13, 2029. But most officials at the world’s space agencies stopped paying much ...

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Once feared as a threat to Earth, the asteroid Apophis is now considered to pose a rare exploration opportunity — if space agencies can act in time. The 1,100-foot-wide (340 meters) Apophis, also ...