The Hubble and Chandra space telescopes are hunting for rogue black holes wandering through dwarf galaxies, which could ...

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, ...

The U.S. Air Force wants to add seven new telescopes to the top of Haleakalā Volcano on Maui, prompting a familiar controversy over military presence upon sacred Native Hawaiian sites.

Addressing more than 150 Maui residents, U.S. Air Force Lt. Col. Douglas Thornton spoke Tuesday about a plan to build as many ...

The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration.

Plans for several new military telescopes atop the mountain are drawing strong opposition. But protests over other Maui ...

With some of the world’s clearest skies, the Elqui Valley on the edge of the Atacama Desert offers an unparalleled lens into ...

The surreal Oscar-nominated short about three animals discovering a mountaintop astronomical observatory blends science and ...

This discovery has drawn interest from both professional researchers and skywatchers because comets are ancient remnants from the early formation of ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

Six planets will line up in a rare "planetary parade" this month - but spotting them all won't be easy.

How space telescopes capture distant galaxies using infrared imaging, precision optics, and astronomy technology beyond Earth's atmosphere.