Construction of the world's largest telescope moves forward with progress of the structure's dome and housing for the primary mirror. The European Southern Observatory's (ESO) Extremely Large ...

A massive green hydrogen plant proposed for construction in Chile could increase light pollution at one of the world’s most powerful telescopes by at least one-third, says the European Southern ...

The Atacama Cosmology Telescope in the high Chilean desert mountains has just given up its final batch of data You can save this article by registering for free here. Or sign-in if you have an ...