A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our ...

They often twirl around heavier ones, like our Milky Way, as satellite dancers. The dark matter distribution of a Milky Way ...

Scientists predict up to 100 invisible galaxies may orbit the Milky Way, hiding just beyond our current detection limits.

See the SpaceX Dragon spacecraft and the Milky Way galaxy in this time-lapse view from the International Space Station.

Researchers stitched together hundreds of images from the Very Large Telescope to form a breathtaking photo of a nearby galaxy.

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

Researchers may have found our galaxy's missing companions, further bolstering science's most widely accepted cosmological ...

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

This most fundamental question was famously posited by none other than Nobel laureate physicist Enrico Fermi (1901–1954).

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen – possibly predating our solar system by more than three billion years, researchers say. The "water ...

Earth and our entire Milky Way galaxy may sit inside a mysterious giant hole which makes the cosmos expand faster here than in neighbouring regions of the universe, astronomers say. Their theory is a ...