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 ...

Using decades of ROSAT X ray data, astronomers uncovered Quipu, a colossal 1.4 billion light year filament containing 68 galaxy clusters and an unimaginable amount of mass. This discovery offers a ...

The accused was identified as Amit Kumar, 32, a resident of Kannauj and has been working in the X-ray department of the ...

NASA has released a new composite image of two spiral galaxies, NGC 2207 and IC 2163, as they begin a multi-billion-year ...

Using the Einstein Probe (EP), astronomers have detected a new X-ray transient event, which turned out to be an X-ray flare ...

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral ...

The Linac Coherent Light Source in California has been firing record-breaking X-ray pulses for years, but now it’s due for a ...

It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...

Astronomers have uncovered surprising evidence that challenges a long-standing rule about quasars, some of the brightest ...

New observations reveal that the relationship between ultraviolet and X-ray light in quasars has changed over billions of ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

A Colorado mom is sharing a warning for other parents as her 4-year-old daughter recovers in the hospital after swallowing a ...