Some galaxies eject powerful streams of charged particles—jets—from their centers into space. The prominent jet of Messier 87 ...

Chandra X-ray Observatory and X-ray Polarimetry Explorer (IXPE) imagery of the Milky Way's core and supermassive black hole ...

Observations with the Event Horizon Telescope enable researchers to localize the likely base of the central outflow in a ...

When astronomers look out into the cosmos, they see supermassive black holes (SMBH) in two different states. In one state, they're dormant. They're actively accreting only a tiny amount of matter and ...

The brightest quasar ever seen in the young cosmos is powered by a black hole that appears to be breaking the universe’s own ...

Massive stars have an outsized influence on their environment and the galaxies they call home. These behemoths have the ...

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Researchers developed a method to reduce uncertainty in cosmic birefringence, sharpening the angle tied to parity violation, ...

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