How has the Hubble Telescope lasted so long? One of the astronauts who helped repair it explains.

In 1963, the Arecibo Observatory became operational on the island of Puerto Rico. Measuring 305 meters (~1000 ft) in diameter, Arecibo's spherical reflector dish was the largest radio telescope in ...

China has kicked off of a second phase of construction to enhance the capabilities of FAST, which is already the world's largest single-dish radio telescope.

China on Sunday hoisted the final piece into position on what will be the world's largest radio telescope, which it will use to explore space and help in the hunt for extraterrestrial life, state ...

China has an absolutely cutting-edge radio telescope, but it may be looking for outside help to manage and run the entire facility.

China has kicked off of a second phase of construction to enhance the capabilities of FAST, which is already the world's largest single-dish radio telescope.

How has the Hubble Telescope lasted so long? One of the astronauts who helped repair it explains.