Every time a large telescope is built, its designers must re-think the challenges, check every application, and improve on what has been done before. The 6.5-meter Baade and Clay telescopes were built ...

Scientists have revealed that radar systems at airports and military bases would shine out like cosmic beacons for any watching civilisations. This means airports like Gatwick and Heathrow could be ...

When NASA launched the Kepler Space Telescope in 2009, its mission was clear: to explore the stars and uncover distant ...

American space agency NASA announced the discovery of a planetary system that isn't flat, has transit timing variations, and shows orbital planes tilting ...