Asteroid impact threat estimates improved for the Earth and the moon
YR4, first discovered in December 2024, triggered a first-ever notification from the International Asteroid Warning Network (IAWN) on January 29, 2025. The early calculations predicted an impact ...
Space junk is damaging satellites. How do we remove it?
The ESA is calling for urgent action.Every year, one satellite is destroyed by a space junk collision. Combined with increasing frequency of commercial space launches, which now account for most ...