Leaked documents suggest the U.S. secretly tracked interstellar comet 3I/ATLAS for 20 years using the CASSANDRA planetary ...

NEW DELHI – India plans to test its first indigenously designed radar system – the Multi Object Tracking Radar (MOTR) – in June, a space scientist says. The system will be tested during a launch of ...

Astronomers are monitoring an object headed our way that may have wandered over from another star system.Scientists have discovered what might be only the third known interstellar object to pass ...

The DARPA program aims to improve the ability to "track potential threats and objects of interest originating from or transiting cislunar space." ...