Cosmic Watch: How We Detect, Track, and Study Objects from Deep Space

Cosmic Watch: How We Detect, Track, and Study Objects from Deep Space

From automated sky surveys to deep space interrogations, this is the complete step-by-step process humanity uses to find and understand mysterious visitors from other stars.

Borisov and 3I/Atlas: What Subsequent Interstellar Comets Taught Us

Borisov and 3I/Atlas: What Subsequent Interstellar Comets Taught Us

When the bizarre object 'Oumuamua visited in 2017, it left more questions than answers. But the arrival of a second, more 'normal' interstellar guest, 2I/Borisov, provided the crucial context that changed everything.