That’s what it took to save NASA’s ESCAPADE mission from a lengthy delay, and possible cancellation, after its rocket wasn’t ready to send it toward Mars during its appointed launch window last year.

You know they’re past the point where money matters, right? You might say it’s a form of immortality … [they’re] in this for eternal glory, for doing great deeds.” ...

PARIS — Space has become a war-fighting domain, an assessment that calls for doctrinal changes and the ability to intervene there more quickly, space-force leaders from several NATO countries said at ...

The interstellar comet 3I/ATLAS is barreling toward its closest point to the sun as perihelion looms on Oct. 29. How different will it look when it reappears on the other side?