SSA is the acronym of ESA's "Space Situational Awareness" programme, which was the precursor to the current Space Safety Programme. SSA ran between 2009 and 2019. More info at:...

Even if an asteroid misses the Earth, it can come back and hit our planet in a subsequent "return". Whether this happens or not, depends on whether the object passes through well-defined regions in...

On 25 July, an asteroid the size of a football field flew by Earth, coming within 65 000 km of our planet’s surface during its closest approach – about one fifth of the distance to the Moon.

The word NEO stands for near-Earth object, indicating a small body of the Solar System which can come into the Earth’s neighbourhood. A broad classification of NEOs distinguishes NECs (near-Earth...

On 25 March 2015 our website experienced unusually high traffic for a few hours, seven times above our average rate. We tracked this boost of popularity to some news about the flyby of asteroid 2014 YB35 that were circulating on the web around that time.