The scenario: A Soyuz-MS spacecraft is on-orbit and ready for its deorbit burn. The crew then discover that there is a fault in the propulsion system and the deorbit engine can't fire. The craft is ...

I have heard a bit about why interplanetary probes get deorbited, but that was about Jupiter and Saturn that have potentially life-friendly moons. But regarding Mercury, no life could exist there: the ...

ISS might be destroyed soon, de-orbiting for a controlled reentry into the Pacific Ocean.
Why isn't simply pushed away from Earth to an outer stable orbit (not sure if it's possible) or even into an ...

update: Answers to Two week mark; has Mayak (Маяк) been spotted yet? Reflector deployed? Astronomy “ruined”? indicate that the reflector did not deploy successfully (more at Mayak, a magnitude -10 (...

The July 14, 2017 NASA Spaceflight article Soyuz 2-1A launches with Kanopus-V-IK and over 70 satellites says:
Mayak is a three-unit CubeSat which was built by Tvoii Sektor Kosmosa – or “Your Sector ...