If dark matter is creating positrons in the CMZ, those particles will eventually slow down and eventually annihilate with electrons in the environment, producing gamma-rays at exactly 511keV energy.

Scientists at Nagoya University in Japan were surprised by their study results, which they say are "indisputable." ...

A blob of gas seen outside the Milky Way could be a type of starless, dark matter–dominated galaxy. Some scientists are skeptical.

The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 ...

Since then, we have been pondering what they are." Related: Facts about Sagittarius A*, the Milky Way's supermassive black hole The researchers used ALMA to track molecules, using them as "tracers ...

Could our galaxy actually be inside a black hole? New research seems to suggest this possibility. NASA's James Webb Telescope discovered that the rotation of the galaxies goes against what scientists ...

An analysis of star movements from the Gaia spacecraft reveals that the Small Magellanic Cloud — a satellite galaxy bound to the Milky Way — is being torn apart by its larger neighbor.

A new AI model from the University of Bern predicts planetary systems likely to host Earth-like planets. It could boost the ...

Gaia has charted the cosmos since 2014, creating a vast encyclopedia of the positions and movements of celestial objects in our Milky Way and beyond. It is difficult to capture the breadth of ...