Debris from the Intelsat 33e communications satellite explosion threatens hundreds of satellites in geostationary orbit, including those operated by China.
Long Giang 2, a small satellite flying around the Chinese moon, takes pictures of the Earth when a total solar eclipse takes place.
Phong Van 4 weather satellite's protective cover was found on the field in China's Jiangxi Province just one day after the launch.
China is accelerating the pace of building a giant satellite network that can help the country monitor the world.
Quantum chips are considered to be the most secure signal today and there is no technology to intervene and decipher this type of signal.