Beneath Chile’s brilliant skies, the ELT grows—an engineering giant ready to capture the secrets of the universe with the ...

A diagram of the location of the scientific instruments ... An array of smaller mirrors also helped to focus light from the ...

An artist’s conception of SPIDER, the lightweight array proposed by Lockheed Martin to replace the huge—and hugely expensive—space telescopes. SPIDER dumps the cumbersome mirror. Today’s ...

A stunning new image from the James Webb Space Telescope (JWST) is allowing astronomers to examine the complex and turbulent final stages of a dying star's life.