The formation of galaxies in the universe should follow a fairly simple path. It starts with small galaxies, which then grow ...

In a "rite of passage," the JAXA/NASA X-ray telescope XRISM has mapped in detail Cygnus X-3, a curious binary system with a ...

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The M87 galaxy is home to a supermassive black hole that has a plasma jet that is nearly 3000 light years long. In addition, ...

For decades, astronomers have puzzled over how the supermassive black holes residing in the center of galaxies form. Now, ...

The Japan-led XRISM observatory has captured the most detailed portrait yet of gases flowing within Cygnus X-3, one of the most studied sources in the X-ray sky.

A brand-new James Webb Space Telescope image captures the steady, slow lifestyle of the distinctive Sombrero Galaxy.