A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

New measurements from deep-sky surveys reveal a huge structure pushing into the Milky Way’s outer regions, distorting stars ...

A Japanese scientist thinks he has observed dark matter at the centre of the Milky Way. He says the halo in the galaxy is a ...

The Milky Way is a rich and complex environment. We see it as a luminous line stretching across the night sky, composed of innumerable stars. But that’s just the visible light. Observing the sky in ...

Few things in the universe are as perplexing as dark matter — the invisible and exotic “stuff” that is thought to make up ...

A spectacular new view of two dwarf galaxies caught in the middle of a cosmic collision reveals a glowing gas bridge, streams of newborn stars and the ongoing gravitational tug-of-war reshaping both ...

Dark centre? A simulated version of the Milky Way galaxy. (Courtesy: AIP/ A. Khalatyan) Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation ...

You live in a galaxy packed with black holes that never announce themselves. They do not blaze in X-rays or glow with stolen ...

A new study says observations from the NASA Fermi space telescope suggest a halo of dark matter around the center of our ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com. How will the universe end? – Iez M., age 9, ...

The Earth's planetary defenses will observe an interstellar comet flying through the Solar System, the United Nations has ...

In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, releasing energy in the process. This energy could heat the hydrogen and helium ...