Data centers are hot. Literally. In the U.S., data centers burn through more than 4% of total annual energy consumption, says ...

NASA announced on Friday evening (Jan. 9) that it plans to roll the Space Launch System (SLS) rocket and Orion spacecraft ...

"How do you get to Mars when the launch vehicle is not necessarily going to Mars?" ...

Former SpaceX flight software engineer Stefan Moluf explains how he got to do the physics for the new space sim from ...

For just the second time in 2026, a SpaceX rocket is due to blast off from Southern California. Here's how to watch a ...

Even in space, what goes up sometimes comes back down: spent rocket stages, defunct satellites and other bits of space debris ...

The number of orbital launch attempts worldwide last year surpassed the record 2024 flight rate by 25 percent, with SpaceX ...

For the second time in 2026, a SpaceX rocket is due to blast off from Southern California. Here's where (and what time) you ...

The coming flight is not an isolated experiment but part of a coordinated effort to give China a domestic ecosystem of ...

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.