Earth GOV Artifact
After using STASIS on all of the transports, head left after the crash. It is sitting in the corner.
Chapter 1 Earth Artifact
-- Video coming soon --
Towards the end of the level right outside the elevator exit. It is in a small cubicle. This is BEFORE the train section.
Chapter 1 Unitologist Artifact
To the right of Issacs Bed in Issacs Apartment
On Issacs bed in Issacs Apartment.