Satellites and spacecraft in the vast region between Earth and the moon and just beyond—called cislunar space—are crucial for ...

By Will Dunham WASHINGTON, Feb 14 (Reuters) - Astronomers have observed a planetary system that challenges current planet ...

Lawrence Livermore National Laboratory creates a cislunar orbit map to help predict satellite stability and improve collision avoidance in increasingly crowded Earth orbits.

Could we prevent in-orbit crashes in the future by using advanced computer models?

Researchers at The University of Manchester have developed a new way to design Earth-observation satellite missions that could help protect the space environment while continuing to deliver vital data ...

Online travel agency Orbitz will soon find itself under the microscope again. As part of the transportation spending bill signed by President Bush on Tuesday, Congress has called on the Department of ...

Earth is on an orderly path around the sun, orbiting in nearly the same plane as our star’s equator. In 2008, however, astronomers began finding worlds in other solar systems that sail far above and ...

The planets of our solar system all orbit the Sun within a few degrees of a flat plane extending out from our star’s equator — its equatorial plane. That makes sense. Our solar system began as a ...

LEO, GEO, L2, SSO—oh my! The many types of useful orbits can get complicated fast, but our handy guide will help you make sense of it all. Reading time 1 minute Nearly 140 rockets have flown to space ...

Orbitz, the new online travel agency that's backed by five major airlines, officially launched on June 4, prompting a wave of scrutiny and controversy that has become ...