Two galaxy clusters slowly crashing into each other are linked with a long thread of plasma. New research revealed that these invisible threads could have a magnetic field that emit radio waves.
Space June 8, 2019
The intracluster light can help astronomers see the distribution of dark matter in a galaxy cluster. Here's how this faint light can illuminate the potential location of the mysterious substance.
Space December 22, 2018
The Hubble Space Telescope used the technique called gravitational lensing to see distant galaxies that otherwise would not be detected by its sensitive lenses. The image was part of the new project dubbed BUFFALO.
Space September 15, 2018
A massive galaxy cluster was found camouflaged as a quasar just 2.4 billion light-years away. Scientists think there are more of these galaxy clusters hiding in plain sight close to the Milky Way.
Space June 29, 2018
In 2012, astronomers discovered a cluster of twin galaxies colliding at an unimaginable speed. It was so massive that it earned the nickname El Gordo or “the Fat One.
Space January 17, 2018
Astronomers discovered the most distant galaxy ever found using NASA's Chandra X-ray Observatory and other telescopes. What does CL J1001+0220 tell about star formation?
Space September 2, 2016
The Hitomi spacecraft met its demise just a month after launch. Now, astronomers find surprising results from the data collected by the observatory just before it spun out of control.
Space July 6, 2016
It was thought that black hole exclusively feed on hot ionized gas. It turns out black holes also feed on clouds of cold space gas, ALMA observations revealed.
Space June 9, 2016
Three supernovae were seen exploding far from their home galaxies, while a fourth may have been spotted in a densely packed cluster. What could these stars tell us about the structure of the universe?
Space June 6, 2015
Light from a supernova that exploded more than 9 billion years ago passes a massive cluster of galaxies, resulting in four separate images of the supernova in the shape of a cross. The phenomenon is known as Einstein cross.
Space March 9, 2015
An image taken by the Hubble Space Telescope features what appears to be a smiling face with two gleaming eyes. The cosmic smile has drawn attention after artist Judy Schmidt submitted a version of the image to the Hubble's Hidden Treasures competition.
Space February 10, 2015