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 ...

The Five-hundred-meter Aperture Spherical Telescope (FAST), situated in a karst region in Guizhou, southwest China, has been operating since January 2020. But now a second phase will add 24 new ...

China's FAST (Five-hundred-meter Aperture Spherical radio Telescope) is the largest radio telescope in the world, dwarfing the 1,000-foot (305-meter) Arecibo radio telescope in Puerto Rico.

Grunsfeld, a former NASA astronaut who has served as both the agency's chief scientist and science division leader, helped Hubble last as long as it has. He flew on no less than three of NASA's ...

China has kicked off of a second phase of construction to enhance the capabilities of what is already the world's largest single-dish radio telescope. The Five-hundred-meter Aperture Spherical ...