Telescopes

Astronomers plan to launch a space telescope into orbit, to find out what exactly stands in the way of an asteroid hitting Earth.

The largest radio telescope in the world searches for extraterrestrial life from the remote limestone peaks of southern China.

This observatory high on a hilltop in the center of Santiago got its start in 1852.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

Armenia's premier center of astrophysical research was established during the Soviet era.

The U.S. Air Force has an anti-satellite laser weapon.

A one-of-a-kind sundial at the Very Large Array honors a radio astronomy pioneer, incorporating the original piers from his breakthrough radio telescope.

A treasure trove of astronomical, mathematical, and scientific instruments at Cambridge University.