Compound, or catadioptric, telescopes combine lenses and mirrors for a compact option, suitable for both planetary and ...

A new summer exhibition in the First Floor Gallery of the Albert and Shirley Small Special Collections Library explores the ...

After its voyage past Mars, Mariner 4 maintained intermittent communication with JPL and returned data about the ...

The image reveals over 2,500 galaxies, many of which are seen as they were during the first billion years of cosmic history.

Brookhaven National Laboratory has completed the "major item of equipment" phase for the Lunar Surface Electromagnetics ...

Now the Spanish government has pitched to bring the giant facility to La Palma, in Spain’s Canary Islands — and backed up the effort with a pledge to contribute €400 million (US$470 million).

Technicians have successfully installed two sunshields onto NASA's Nancy Grace Roman Space Telescope's inner segment. Along ...

In a former cattle field in rural central Texas, a startup called Starfront has quietly built what it claims is the world’s ...

LLNL’s 10-inch (25-centimeter) diameter monolithic telescope is intended to enable a more advanced, higher-resolution optical space domain awareness capability. This partnership stems from a ...

The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.