Related topics: international space station · space · nasa

Video: NASA's guide to near-light-speed travel

So, you've just put the finishing touches on upgrades to your spaceship, and now it can fly at almost the speed of light. We're not quite sure how you pulled it off, but congratulations!

Mars-bound spaceship experiencing technical issues: NASA

Mars 2020, the spaceship carrying NASA's new rover Perseverance to the Red Planet, is experiencing technical difficulties and is running on essential systems only, the agency said Thursday.

Video: Building spaceships

How do you build a spaceship? It's not easy – because space is hard. It's endless vacuum, hot and cold at the same time, streaked with radiation – and you have to fly at eight kilometres per second just to get there.

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