Astronomers have unveiled the largest-ever photomosaic of the Andromeda galaxy, a sprawling celestial giant with over 1 ...

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.

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

Valentine’s Day just got a whole lot more fun, thanks to Lego. A new Lego set lets you build your very own version of the ...

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

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

Hubble revealed a universe of galaxies that existed beyond ours — but he couldn't have done it without a little help.

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 ...

NASA has released this photomosaic in two images that can be downloaded from its website: ...

Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud (LMC), using the James Webb ...

Yale researchers among those who discovered three “ultra-massive” galaxies, which were formed shortly after the Big Bang and ...