The US Aeronautics Agency (NASA) built James Webb, the world's largest space telescope, scheduled to launch in 2018.
China is planning displacement of more than 9,000 people to increase sensitivity for the world's largest radio telescope, hoping to find alien life.
On July 25, China began installing a 500-meter radio telescope, believed to be the world's largest in the mountains of Guizhou Province, China.
Japan is leading the way in building a large cosmic ray telescope to clarify the origin of the universe.
The Hale telescope at Paloma Observatory, in California (USA) is one of the world's largest telescopes.
On June 19, the world's largest telescope construction project (E-ELT) in Chile was officially started after years of delay.
NASA is working on building the latest advanced high-tech aperture space telescope.
Launched in 2003, the ALMA (Atacama Large Millimeter Array) project is one of the major scientific programs in the world; This is also the result of cooperation in many countries
This telescope has a short name Askap, one of the fastest telescopes in the world today, tasked with observing the outer space and understanding the origin of stars and galaxies.
The Sentinel project team said the work for the Sentinel telescope, funded by the non-profit B612 fund and Ball Aerospace partner, is ongoing and consistent.