Sagittarius A* may be a dense dark matter core instead of a black hole, offering a new explanation for the Milky Way’s central gravity.
If the pulsar is confirmed, it could enable more precise measurements of the space-time around the galaxy’s central supermassive black hole ...
Researchers from Columbia University and Breakthrough Listen, a scientific research program aimed at finding evidence of ...
The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...
Starlust on MSN
Andromeda is headed toward the Milky Way, while other galaxies are moving away—and now we know why
A sheet of dark matter lying beyond the boundary of the Local Group is responsible for this.
The Orion constellation is home to some of the most luminous stars in our Milky Way galaxy. When you purchase through links ...
Morning Overview on MSN
Scientists finally reveal why Andromeda is racing toward the Milky Way
For more than a century, astronomers have watched in astonishment as the Andromeda galaxy ignored the grand flow of cosmic ...
Andromeda is also a flattened spiral like the Milky Way, but it's twice as large — 220,000 light-years across versus 105,000 for the Milky Way — and crammed with a trillion suns. Can you even begin to ...
On a clear night, the Milky Way and the Andromeda galaxy look like close neighbors. In space, they really are.
A vast, flat sheet of dark matter may solve the long-standing mystery of why our neighboring galaxy Andromeda is speeding ...
You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...
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