Neat News 2155 (added 2021-11-24)
NASA to push asteroid

Public Domain by NASA/Naidu et al., AIDA Workshop, 2016
NASA has started a space mission to crash a spacecraft into a 160 metre wide asteroid, called Dimorphos, in order to test the feasibility of such an intervention if an asteroid came into collision course with the Earth.
related: #NASA #Dart_mission #asteroid