Galaxy classification has long been based on their visible appearance, creating well-defined categories. Spiral galaxies like our Milky Way display a flat disk structure with characteristic spiral ...

An international team of astronomers has used the Atacama Large Millimeter/submillimeter Array (ALMA) to observe a well-known quasar known as the Cloverleaf. As part of the observations, they ...

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars. A "dark object" detected as an anomalous notch in the arc of a ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: Gravitational lensing is one of the few methods ...

Astronomers have uncovered a remarkable new addition to the catalog of ultra-luminous infrared galaxies (ULIRGs) – cosmic powerhouses that shine with more than a trillion times the luminosity of our ...

The Hubble Space Telescope ’s latest image, of barred spiral galaxy NGC 6000, is rich in yellow at its center and blue on its outskirts, but it’s what these colors reveal about the ages, masses and ...