The National Space Institute at the Technical University of Denmark, also known as DTU Space (Danish: Institut for Rumforskning og Rumteknologi), is a Danish sector research institute and a part of the Technical University of Denmark. It has a staff of 169, including researchers, engineers, and technicians.
The institute conducts research in astrophysics, Solar System physics, geodesy, and space technology. To conduct the research, the Institute collaborates with the Niels Bohr Institute for Astronomy, Geophysics and Physics.