Facts Nero · Mission log
Articles
The written version of each video, with NASA images and the sources we checked.
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NASA's nuclear spaceship is heading to Mars
SR-1 Freedom will carry a small nuclear reactor and fly past Mars after a planned launch in late 2028. Here is why that is a big deal.
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49 years in space, and Voyager 1 never crashed into anything
It has flown for 49 years at about 61,000 kilometres an hour without hitting a thing. How? Deep space is far emptier than we imagine.
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Voyager 1 is about to be one light-day from Earth
It was built in the 1970s, it has less memory than one photo on your phone, and on 18 November 2026 a message to it will take a full day to arrive.
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Why is space black if there are billions of stars?
Every direction you look should end on a star, so the whole sky should blaze with light. It doesn't, and the reason is hiding in plain sight.