Radar images made on May 29, when 1998 QE2 was about 3.75 million miles from Earth, show a brand new moonlet circling its papa. Click image to see a video and read more about the discovery. Credit: ...

A large near-Earth asteroid will safely pass by our planet on Wednesday morning, providing astronomers with an exceptional opportunity to study the 1.5-mile-wide (2-kilometer-wide) object in great ...

Many separate telescopic images were combined to create this animation of asteroid 1998 QE2 moving through a star field this past week. Credit: Ernesto Guido and Nick Howes An asteroid it would take ...

The tiny asteroid 1998 KY26 (center) is observed here by the Gemini South telescope, one half of the International Gemini Observatory, funded in part by the U.S. National Science Foundation and ...

We constantly fret about external threats and foreign attacks — but its an entirely other level of concern when the offensive comes from outer space. Two close calls with asteroids earlier this year ...

Hayabusa2's planned 2031 rendezvous with asteroid 1998 KY26 is significantly more complex than initially anticipated due to newly refined measurements indicating the asteroid is only 11 meters in ...