Wednesday, Sierra Space officials announced the spacecraft successfully completed and passed another round of test milestones in collaboration with NASA. The test demonstrated Dream Chaser's "ability ...

For millions, it was an event that would be seared into their memories for the rest of their lives – on par with the Kennedy assassination and 9/11.

A new study from researchers at UBC found that the chance of debris entering air space around major cities is as high as 26 ...

Space debris from rocket bodies orbiting Earth could pose an increased threat of striking aircraft as it falls from space, ...

William Ray Lucas, who led the NASA facility that shouldered much of the blame for the 1986 explosion of the space shuttle ...

Students gathered around model space shuttles ... engineers had recommended against launching the shuttle in the extraordinarily cold air that morning but had been overruled by managers who ...