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

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 ...

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

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

Black holes are some of the universe's greatest mysteries, incredibly dense and sometimes massive void that suck in anything ...

The work has revealed that Andromeda is a lot more chaotic than expected. Similar to what recently retired Gaia did for the ...

Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

Messier 31 is located 2.5 million light-years away from Earth and was a much bigger target in the sky than the galaxies ...

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

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

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 ...