asteroid
Science
Vishnu Reddy from the University of Arizona Lunar and Planetary Laboratory has unveiled new data about the Earth's quasi-satellite 2016 HO3.
Science
The results will help first responders and other agencies to identify and make better-informed decisions for how to defend against life-threatening asteroid events.
Science
The swinging space rock was "roughly the same size as the asteroid that struck Chelyabinsk, Russia in 2013.