The release of the first images taken by NASA's James Webb Space Telescope will inspire generations with the infinite possibilities that outer space holds. Clearly, we have a responsibility to ensure that only peaceful, safe, sustainable, lawful and legitimate uses of space are undertaken for the benefit of humanity and future generations.

In pursuit of this, over the past six years McGill University and a host of collaborating institutions around the world have been involved in the drafting of the McGill Manual on International Law Applicable to Military Uses of Outer Space.

In August, the first volume of the McGill Manual was published. It contains the 52 Rules, adopted by consensus by the group of experts. The rules clarify the international law applicable to all space activities conducted during peacetime and in times of tension that pose challenges to peace.

Growth of space infrastructure

Since the beginning of the Space Age 65 years ago, we have witnessed tremendous strides in space exploration that have benefited life on Earth.

The subsurface of Mars records important historical information on the formation and evolution of the planet. As an ionized medium, the Martian ionosphere plays a special role in radio wave propagation and is directly related to the local communication on Mars and the communication between Mars and Earth.

Therefore, the information on the subsurface and the Martian ionosphere provides a scientific basis for understanding and exploring Mars, as well as for studying the history of geological evolution.

Researchers report an experimental demonstration of a space-to-ground quantum key distribution (QKD) network using a compact QKD terminal aboard the Chinese Space Lab Tiangong-2 and four ground stations. The new QKD system is less than half the weight of the system the researchers developed for the Micius satellite, which was used to perform the world's first quantum-encrypted virtual teleconference.

The demonstration represents an important step toward practical QKD based on constellations of small satellites, a setup considered one of the most promising routes to creating a global quantum communication network.