The Xenobiological Research Division at Earthdome was the centre for the Earth Alliance's research into non-terrestrial lifeforms.

Doctor Benjamin Kyle served as division head from 2257[1] until his retirement in 2262. After which Doctor Stephen Franklin took over the position at Kyle's request. [2] Franklin would hold the position for many years, including the period of planetary quarantine following the Drakh plague [3] and after a taking a leave of absence in 2271 to travel with Citizen G'Kar, [4] Franklin was still the division head when Babylon 5 was decommissioned in 2281. [5]