Could a lonely planet wander aimlessly through the restless galaxy change the subtle dance of gravity within our solar system ...

The NG-18 Cygnus spacecraft departed the International Space Station and burned up in Earth's atmosphere the following day. Astronaut Frank Rubio called the time-lapse a "great example of basic ...

Orbital dynamics, particularly in the context of lunar missions, encompasses the study of trajectories, stability and long‐term behaviour of spacecraft in the Moon’s gravitational field. Recent ...

A new celestial object, a quasi-moon, has been discovered in Earth’s orbit. This cosmic companion has been circling our planet unnoticed for decades, possibly up to 60 years, and is now redefining our ...

Electrons inherently carry both spin and orbital angular momentum (i.e., properties that help to understand the rotating motions and behavior of particles). While some physicists and engineers have ...

Orbital Sciences Corporation (NYSE: ORB – News), one of the world’s leading space technology companies, today announced that it has completed the acquisition of a Gilbert, AZ-based, spacecraft ...

Orbital Sciences Corporation (NYSE: ORB), one of the world’s leading space technology companies, today announced that it has reached a definitive agreement to acquire the spacecraft development and ...

Maritime Launch Services and Reaction Dynamics have signed a pathfinder launch agreement, marking a major step forward in securing Canada's sovereign access to space. As part of the agreement, ...