ESA’s decade-long Milky Way Gaia mapping mission still has tons of data to release over the next few years. Expect surprises.

Recent studies challenge the long-held belief that the Milky Way is a standard model for understanding galaxy formation, ...

The James Webb Space Telescope (JWST) continues to transform our understanding of the universe. By combining its advanced ...

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 ...

Astronomers have discovered an extraordinary new giant radio galaxy with plasma jets 32 times the size of our Milky Way.

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Observations show Andromeda has a more active star formation history than the Milky Way, potentially due to a past galactic collision. NASA recently released images of the Andromeda galaxy ...

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

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

One of the largest galaxies ever found, the behemoth is about 1.44 billion light-years away and reckoned to be 32 times the size of our Milky Way galaxy. The mightly object is classed as a giant ...