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

When astronomers look out into the cosmos, they see supermassive black holes (SMBH) in two different states. In one state, ...

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 ...

A newly identified quasar shows sustained growth beyond the Eddington limit, prompting new examination of accretion physics, radiation trapping and jet activity in early supermassive black holes.

Last year, astronomers were fascinated by a runaway asteroid passing through our Solar System from somewhere far beyond. It ...

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

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

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

Light to moderate rain is expected again in the afternoon and evening across most of the Greater Jakarta area.