In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...

But researchers have used the James Webb Space Telescope, a collaboration of NASA and its European and Canadian space ...

The universe really seems to be expanding fast. Too fast, even. A new measurement confirms what previous—and highly ...

The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into a shape that can look like a football," according to the Chandra X-ray ...

If we could go back 101 years, we would encounter a time when scientists still thought the Milky Way was the entirety of our ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 ...

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 ...

Researchers believe that a supernova in our galaxy could reveal the secrets of dark matter by emitting detectable gamma rays from axions. This discovery would provide key insights into the elusive ...

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

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