"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the ...

This rare quasar with spiral arms could help astronomers understand how supermassive black holes feed and grow.

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

"Photographing Andromeda was a herculean task because the galaxy is a much bigger target on the sky than the galaxies Hubble ...

"Because it's such a large supermassive black hole at the center, we'd predicted we'd see an elliptical galaxy." The spiral host galaxy, a quasar named J0742+2704, was discovered emanating a ...

This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two ...

Hubble Space TelescopeHubble HomeOverviewAbout HubbleThe History of HubbleHubble TimelineWhy Have a Telescope in Space?Hubble ...

Leveraging technical and observational advancements, an international team led by researchers from the Department of Astrophysics at IRFU (CEA Paris-Saclay) has unraveled the mystery of the formation ...

Using the VLT Survey Telescope (VST), astronomers from Italy and Germany have observed a group of galaxies designated NGC ...