Foton-M No.4 is a Russian microgravity and bioscience research spacecraft launched in July 2014 as part of the Foton programme.

It is the fourth spacecraft in the Foton-M series, and the first to use the 34KSM configuration incorporating the equipment module from a Yantar satellite in place of that of a Zenit on earlier missions.

[4] The launch was completed successfully, with the satellite separating from its rocket and beginning data transmission to its controllers.

[3] On 1 August the head of Roskosmos, Oleg Ostapenko, was quoted as saying that the satellite will fly its entire two-month mission as originally planned, despite the cancellation of the orbit-boosting maneuver.

[8] The geckos are part of biology experiments by Russia's Institute of Medico-Biological Problems on the effects of weightlessness on mating.