Earth's dust cloud satellites confirmed

A team of Hungarian astronomers and physicists may have confirmed two elusive clouds of dust, in semi-stable points just 400,000 kilometres from Earth. The clouds, first reported by and named for Polish astronomer Kazimierz ...

Image: ISS transits the sun

Taking an image of the International Space Station as it passes in front of the Sun, Moon or planets is a popular pastime for astrophotographers. It requires planning, patience and a measure of luck. The camera must be set ...

Ultra-thin camera creates images without lenses

Traditional cameras—even those on the thinnest of cell phones—cannot be truly flat due to their optics: lenses that require a certain shape and size in order to function. At Caltech, engineers have developed a new camera ...

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