Short answers, pulled from the story.
China and Russia signed a Memorandum of Understanding regarding cooperation for the construction of the International Lunar Research Station on the 9th of March 2021. This document established the legal framework for Roscosmos and the China National Space Administration to lead the project together.
The United Arab Emirates, Pakistan, Venezuela, South Africa, and Azerbaijan joined the International Lunar Research Station initiative between June 2023 and October 2023. The Asia-Pacific Space Cooperation Organization also became part of the partnership during this period.
Phase one covers the reconnaissance period from 2021 through 2025 focusing on site selection and technology verification. Phase two spans 2026 to 2035 dedicated to establishing command centers, energy systems, and research facilities with final astronomy capabilities completed in 2035.
Plans reported in May 2024 indicated Russia was considering nuclear energy systems to power the station. This infrastructure aims to enable long-term uncrewed operation with the prospect of future human presence.
China launched Chang'e 6 on the 3rd of May 2024 which returned samples from the Apollo Basin on the far side. Samples landed in Inner Mongolia on the 25th of June 2024 completing the first far-side extraterrestrial sample return.