This occurrence will be the closest approach to Earth by an asteroid of this size that scientists have known about in advance ...

A massive asteroid roughly the size of the Eiffel Tower is set to safely fly past Earth this weekend, according to NASA’s Jet Propulsion Laboratory (JPL). Named 2003 MH4, the asteroid spans ...

This big asteroid was discovered shortly before it was expected to hurtle past Earth. Any time you see a headline about ...

A large asteroid about the size of the Eiffel Tower is expected to come unusually close to Earth in 2029, but there is no risk of impact, scientists said. The asteroid, named Apophis, will pass around ...

A massive asteroid nearly the size of a New York skyscraper will make a close approach, or pass, by Earth in the early hours of Sept. 18, according to scientists. They say the asteroid, officially ...