Add Yahoo as a preferred source to see more of our stories on Google. As companies develop satellite constellations as shown in this illustration, they'll need to repair satellites in orbit.

At 17:07 Moscow Time (14:07 GMT) Zenit-3SL Integrated Launch Vehicle (ILV) carrying Inmarsat-4 Spacecraft (SC) as a payload was launched from the sea-going Launch Platform (LP) Odyssey as part of the ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. Most space mission systems historically have used one ...

Most space mission systems historically have used one spacecraft designed to complete an entire mission independently. Whether it was a weather satellite or a human-crewed module like Apollo, nearly ...