In recognition of the 50th anniversary of the first manned lunar landing, the National
Aeronautics and Space Administration (NASA), together with the European Space Agency …

Regolith penetration for placing instruments into ground and regolith-sampling for re-entry or
in-situ analysis play an extremely critical role in searching for alien life and revealing the …

Asteroid mining has been proposed as an approach to complement Earth-based supplies of
rare earth metals and to supply resources in space, such as water. However, existing studies …

Solar energy is a renewable energy source that is mainly used in the production of
electricity. However, research is nowadays conducted to investigate solar energy use …

Hybrid propulsion technology for aerospace applications has received growing attention in
recent years due to its important advantages over competitive solutions. Hybrid rocket …

The national space programs have an historic opportunity to help solve the global-scale
economic and environmental problems of Earth while becoming more effective at science …

The search for evidence of life on Mars is the primary motivation for the exploration of that
planet. The results from previous missions, and the Phoenix mission in particular, indicate …

Sampling soil or rocks from extraterrestrial celestial bodies is the essential step to detecting
the existence of water and life in celestial bodies, it is also an important channel to obtain …

Abstract Space exploration has significantly enriched humanity's understanding of the space
environment in which our Earth resides and the evolution of the Solar System. What we …

Asteroids' and comets' geodesy is a challenging yet important task for planetary science and
spacecraft operations, such as ESA's Hera mission tasked to look at the aftermath of the …