The hazard to space operations from debris is a function of the nature of those operations and the orbital region in which they take place. The orbital region is important because the debris flux ...

Space logistics and orbital transportation company D-Orbit launched Starfield, the eighth commercial mission of their proprietary orbital transfer vehicle (OTV) ION Satellite Carrier (ION), and the ...

The leading theory for lunar origin is the giant impact 9,10, which explains the Moon’s large relative size and small iron core. Here we refer to the giant-impact theory in which the Earth–Moon ...

Space company Isar Aerospace and Spaceport operator Maritime Launch Services Inc. (MLS) have signed a Letter of Intent to advance sovereign orbital launch readiness from Nova Scotia, Canada. The ...

As the complexity of space missions—such as Earth–Moon transport and deep-space exploration—continues to increase, the classical Keplerian two-body model can no longer meet the precision requirements ...

Nearly a week after launch, space tracking systems were able to locate a mysterious satellite parked in an unusually low orbit. China launched the experimental satellite to test new technologies, but ...

Periodic variations in the Earth’s climate are the result of changes in the Earth’s orbit and axis of rotation. Several factors affect the total amount of sunlight received by the Earth and its ...