The potential risk of Asteroid 2024 YR4 impacting Earth in 2032 dropped to nearly zero following new observations that helped better predict the asteroid's trajectory.

Among the astronomical sites, Cerro Paranal has the darkest and clearest skies – it is no accident that some of the most advanced observatories are located there. Now, all of them are being ...

With its clear, dark skies, northern Chile is home to two fifths of the world's astronomical infrastructure, but could that be under threat with increasing urbanisation and mining development?