The massive dome measures 305 feet (93 meters) in diameter, or about the size of a football field and stands 263 feet (80 ...

Researchers have spent the past few years watching a black hole re-awaken roughly 300 million light-years away from Earth.

In addition to the exoplanet’s polar orbit, the brown dwarf pair itself is extraordinarily rare. They form an eclipsing ...

Beneath a breathtaking full Moon, construction on the world’s largest optical and infrared telescope—the ELT—progresses in ...

Spanning approximately 220,000 light-years across, the Andromeda Galaxy is the largest galaxy of the Local Group, which also ...

Scientists leveraged a global camera network and doorbell cameras to track dozens of meteorites to their asteroid families.

A stunning new photograph of the Andromeda Galaxy has unveiled the vast, glowing gases that surround this majestic spiral ...

Astronomers have discovered a rare planet orbiting at a 90-degree angle around two brown dwarfs—marking the first evidence of ...

The ELT is leaping toward the stars, quite literally — its massive dome, once skeletal, is now clad in protective armor, ...

A distant galaxy that lay quiet for decades has suddenly stirred, lighting up in dramatic bursts that have caught astronomers off guard. This unexpected awakening, traced to a black hole at the galaxy ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the ...

A new Tatooine-like planet outside the solar system may orbit two failed stars, scientists reported Wednesday. Located about 120 light years away, the exoplanet appears to take an unusual path around ...