The International Space Station covers five miles every second, circling the planet from roughly 250 miles up at about 17,500 ...

New research suggests Earth’s climate can swing wildly on surprisingly short timescales — even during hot, ice-free greenhouse periods. By studying ancient sediments from the Late Cretaceous, ...

Did you know nearly 17,500 satellites have been launched since 1957? Or what about the fact that more than 10% of those launches weren't registered internationally? While more and more orbital objects ...

The rapid expansion of human and robotic activity in low Earth orbit makes critically important the need to implement effective space traffic management (STM). This will be one of the most crucial ...

Getting to the moon is expensive. Every kilogram of fuel that a spacecraft carries has to be lifted off Earth, which itself burns more fuel.

Annotation Designed to be used as a graduate student textbook and a ready reference for the busy professional, this third edition of "Orbital Mechanics is structured so that you can easily look up the ...