David Rankin of the Catalina Sky Survey in Arizona spends nights scanning the solar system for potentially catastrophic space ...

In an exciting new venture, HEO Robotics, an Australian startup, is setting its sights on a rare cosmic event—the 2029 close flyby of the asteroid Apophis. With its innovative approach, the company ...

THE END IS NIGH: Just two weeks ago, we compared the state budget’s Enronic collapse to a meteor on a collision course with this island earth. Now, according to UA scientist Joseph N. Spitale and the ...

An Australian startup wants to recycle a geostationary satellite to get an up-close look at the "doomsday" asteroid Apophis. An Australian company wants to join efforts to study a rare space event, ...