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

They have identified dwarf galaxies and pinpointed when they made contact with our galaxy, including Gaia-Enceladus about 9 billion years ago and the Sagittarius Dwarf Elliptical Galaxy roughly 7 ...

Artistic representation of the current interaction between the Sagittarius dwarf galaxy and the Milky Way. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

The supermassive black hole at the center of the Milky Way, called Sagittarius A* ... of our sun appear destined to end up as a white dwarf. They eventually burn up all the hydrogen they use ...

The closest known galaxy to Earth is the Canis Major Dwarf Galaxy, at 25,000 light years from the Sun. The Sagittarius Dwarf Elliptical Galaxy is the next closest, at 70,000 light years from the Sun.

Scientists have investigated the properties of globular clusters (GCs) to identify those belonging to the tidal stream of the Sagittarius dwarf spheroidal galaxy (Sgr dSph), a satellite galaxy to ...

SagDEG: Located roughly 90,000 light years from Earth, the Sagittarius Dwarf Elliptical Galaxy (SagDEG) or Messier 54 is a satellite galaxy of the Milky Way which is predicted to become a part of ...