Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

NASA’s SPHEREx space telescope has officially begun its journey of cosmic exploration after successfully ejecting its dust ...

The first telescopes used lenses, known as refracting telescopes ... top tools to explore the universe – now adopt Newton’s method of curving mirrors (reflectors) instead. That’s because, as lenses ...

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