Hidden in Chile’s Atacama Desert, the $1.5B Extremely Large Telescope (ELT) nears completion. With a massive 130-ft mirror, ...

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

On Jan. 2, the Minor Planet Center at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Massachusetts, announced ...

The journey of astronomical telescopes began in the early 17th century when Galileo Galilei crafted his first refracting ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

Venus, Mars, Jupiter and Saturn parade through our skies this January. The best telescopes for seeing planets can help you spot them! This January there are plenty of planetary events to observe ...

A telescope will trace how galaxies are moving and changing with time; scientists will finally know the dark energy role that affects the growth of the universe. Advanced optical testing assures ...

An adaptive optics system measures the distortion of incoming light and compensates to create sharp, clear images. Light from the telescope bounces off the adaptive mirror and is sent through a ...

For the first time, a team of researchers from the Fraunhofer Institute for Applied Optics and Precision Engineering IOF and the University of New Mexico have succeeded in cooling silica glass by ...

What the astronomy community and the general public will receive in exchange for the considerable taxpayer investment of nearly $4 billion is an instrument that can do what other telescopes can’t.