Seated, left to right, are D-Orbit CEO Luca Rossettini and ESA Director General Josef Aschbacher signing an agreement for Europe's first life extension mission for a satellite in geostationary orbit.

The four astronauts aboard the Artemis II have reached orbit. They will circle the Earth for about 25 hours before catapulting toward the moon. The four astronauts embarked on the high-stakes flight ...

Satellite constellation has been applied in communication, reconnaissance, navigation, and other space missions, such as GPS, Glonass, Beidou, Starlink, etc. With the rapid development of Low Earth ...