To overcome the constellation's evasive nature, China would need a swarm of hundreds of drones, a new study finds.

Recurrent interest in space-based missile interceptors (SBI) is driven by the motivation to neutralize the missile in the boost phase, contrary to the other air defense systems that intercept either ...

DARPA’s TBD2 program aims to track tiny spacecraft across deep space, creating the first wide-area surveillance of the ...