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

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.

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

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

Tucked away at the end of a quiet French street stands a once-grand manor abandoned for more than two decades. After losing his wife, Eric Lefèvre withdrew from society and lived alone inside the ...

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

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

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

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

The U.S. Air Force is moving forward with plans to build seven more telescopes on Haleakalā, drawing opposition from those who consider the mountain sacred.

A couple of public hearings scheduled this week are seeking public comments on the U.S. Air Force’s controversial plan to build seven more telescopes on Haleakala. The first meeting focused on a draft ...