Located in Qiannan Buyi and Miao Autonomous Prefecture, southwest China's Guizhou Province, Pingtang County features higher terrain in the northwest and lower in the southeast, with a relative ...

Explore HubbleHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble by the NumbersAt the ...

NASA is developing a revolutionary plan to construct the largest space telescope ever—on the far side of the Moon. Using a lunar crater as a natural foundation, the proposed 350-meter-wide radio ...

1975, Computer Chip: "Microprocessing unit if the Motorola microcomputer is an integrated circuit laid down on a single-crystal silicon chip 0.210 by 0.217 inch, enlarged in this image. The chip bears ...

How Lockheed’s P-3 kept the Cold War from turning hot. Submarines are hard to kill. For military strategists, no warship ...