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Articles on Search for alien life

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SETI has been listening for markers that may indicate alien life – but is doing so ethical? Donald Giannati via Unsplash

First contact with aliens could end in colonization and genocide if we don’t learn from history

Three Indigenous studies scholars draw from colonial histories and explain why listening for alien life can have ethical ramifications.
A light, cheap space telescope design would make it possible to put many individual units in space at once. Katie Yung, Daniel Apai /University of Arizona and AllThingsSpace /SketchFab

A new, thin-lensed telescope design could far surpass James Webb – goodbye mirrors, hello diffractive lenses

Space telescopes are limited in size due to the difficulties and cost of getting into orbit. By revamping an old optical technology, researchers are working on a lightweight and thin telescope design.

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