Observatories in Chile’s Atacama Desert, including the world’s largest optical telescope, could be blinded by light pollution ...

The European Southern Observatory's (ESO) Extremely Large Telescope (ELT) — the world's largest visible- and infrared-light telescope — is currently under development on the Cerro Armazones mountain ...

This mitigates the pickup of terrestrial interference. The Allen Telescope Array was originally designed to ... The antennas use what’s known as an offset Gregorian system. A secondary mirror bounces ...

In a rare "time-critical" decision, the James Webb Space Telescope will study the true size of the "potentially hazardous" ...

The mighty telescope is expected to see its "first light" by 2028, with the goal of observing terrestrial exoplanets ... central structure and base of the M1 mirror — one of five mirrors that ...

[Hank Green] posted an interesting video about the first liquid mirror telescope from back in the 1850s. At the time, scientists were not impressed. But, these days, people are revisiting the idea.

The dome will house the ELT, which aims to observe terrestrial exoplanets and ... The center structure will support the telescope's large central mirror and secondary mirror.