The “Seven Sisters” of the Pleiades are part of a much larger complex that can help reveal our galaxy’s deep history ...

A newly revealed cosmic image shows two galaxy clusters colliding as one. Nicknamed the Champagne Cluster, it offers rare ...

A galaxy cluster discovered on New Year’s Eve in 2020 shines in a new image from NASA’s Chandra X-Ray Observatory ...

A new composite image reveals the “Champagne Cluster” as two massive galaxy clusters caught in a rare, violent collision.

Saturn and the Moon will share the sky on January 23 as part of a conjunction. A conjunction is when two objects in the sky ...

NASA’s flagship X-ray observatory is starting the calendar with a flourish, unveiling a richly detailed view of a distant ...

The Champagne Cluster holds special significance this time of the year because it was discovered on New Year's Eve in 2020.

A bubbly-looking galaxy smashup called the Champagne Cluster offers a rare glimpse into cosmic collisions—and the hidden behavior of dark matter. The Champagne Cluster is a dramatic cosmic system ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

NASA’s Chandra Observatory captures a composite image of the Champagne Cluster, showing two merging galaxy clusters, hot gas distribution and dark matter structures.

Astronomers have used the Keck Observatory's DEIMOS multi-object spectrograph to observe a nearby galaxy cluster designated ...

The newly identified cluster of Kuiper Belt objects lies about 4 billion miles from the Sun, offering fresh clues about how ...