If you check our current risk list, you will notice that a significant number of objects in the top positions are extremely “old”, discovered in the first decade of the century.

An object discovered on 3 October 2015, temporarily designated WT1190F by the observers, will enter the Earth's atmosphere on 13 November. It was discovered by the Catalina Sky Survey...

The object produced a bright fireball over the Great Lakes area

What can we learn from close approachers?

The end state for most near-Earth objects (NEOs) – asteroids and comets that may pose a hazard to the Earth's ecosystem – has for the past two decades thought to be a collision with the Sun. A new...