Ursa Major III was initially classified as an ultra-faint dwarf galaxy, and Keck's DEIMOS spectrograph measured the stars' motions. About 60 stars share almost the same velocity, confirming a bound ...

Scientists have revealed the exact date that the supermassive black hole at the heart of our galaxy will erupt into life, and ...

Tucked away in the northern reaches of Potter County sits Cherry Springs State Park, a modest 82-acre slice of Pennsylvania wilderness that delivers an astronomical experience unlike anything else ...

Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years until they run out ...

Astronomers using NASA’s James Webb Space Telescope have stumbled upon a puzzling population of galaxies that look far too ...

We live inside the Milky Way, yet most of us rarely stop to think about just how unusual it really […] ...