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?

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.

A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

New observations of 2024 YR4 conducted with the European Southern Observatory’s Very Large Telescope (ESO’s VLT) and facilities around the world have all but ruled out an impact of the asteroid with ...

At Cerro Armazones, near Paranal, we are building “the world’s biggest eye on the sky” — ESO’s Extremely Large Telescope. From our offices in Santiago, Chile we support our operations in ...

Chile’s pristine, dark desert skies, world-renowned for astronomy, are at risk of being outshined by urban and industrial ...

Towering over the Atacama Desert on Cerro Armazones ... The ELT will be 20 times more powerful than the VLT at Paranal. The telescope's main mirror will be made up of 798 individual hexagonal ...