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Galaxy

Astronomers Discover Most Massive Stellar Black Hole in Our Galaxy

A discovery by astronomers from the European Space Agency’s Gaia mission has revealed the most massive stellar black hole ever found in the Milky...

Astrophysicists traced the violent journeys of stars orbiting our galaxy’s central black hole

Stellar collisions produce strange, zombie-like survivors.

Universe’s Expansion History: Insights from the DESI Survey

The DESI survey has observed a new set of 5000 galaxies every 20 minutes since its launch in 2021.

NASA’s James Webb Telescope Probes Starburst Galaxy Messier 82

Amid a galaxy teeming with new and young stars lies an intricate substructure.

A large black hole that “hiccups,” giving off plumes of gas

Persistent “hiccups” in a far-off galaxy draw astronomers to new black hole behavior.

Strong magnetic fields spiraling at the edge of the Milky Way’s central black hole

Strong magnetic fields may be common to all black holes

An obscure class of galaxies briefly awakens sleeping supermassive black holes

Radio observations of Compact Symmetric Objects (CSOs) provide new clues about their origins.

Blue supergiant stars can be formed by the merger of two stars

Strong evidence that most blue supergiants may have formed from the merger of two stars.

Ancient threads of the Milky Way galaxy unveiled

Truly ancient fragments.

Largest-ever map of the universe’s active supermassive black holes

New “quasar catalog” serves as a 3D history book of the universe.

Our universe has no dark matter, study

Study challenges the current model of the universe.

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