The image of supermassive black hole Sagittarius A * was created using data from the Event Horizon Telescope Collaboration. At the same time several telescopes, including the Chandra X-ray Observatory ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

Black holes are some of the universe's greatest mysteries, incredibly dense and sometimes massive void that suck in anything and everything that passes their event horizons. Now a relatively nearby ...

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd ...

Scientists are keen to get to the bottom of the dark matter puzzle because this phenomenon accounts for the vast majority of ...

Carl Sagan famously said, "We are made of star-stuff," but even he didn't realize just how far that star stuff traveled ...

In the Milky Way and nearby galaxies ... Gravitational Lensing Diagram. This diagram illustrates how rays of light from a ...

Learn about the size, temperature, and colour of each planet, and discover why Pluto is no longer considered a planet.

Using data from the APOGEE survey, astronomers from the Leibniz Institute for Astrophysics Potsdam, the University of Vienna and Paris Observatory have reconstructed the properties of ‘hidden’ stars ...

It’s beautiful but also a reminder of the ultimate fate that awaits our own Milky Way galaxy. The image was captured using the NOIRLabs’ International Gemini Observatory. NOIRLabs says that ...