Black holes - the supermassive gravitation forces at the center of most galaxies - actually spend much of their time dormant, or essentially asleep. Astronomers have now spotted one not only ...

From boring to bursting: Giant black hole awakens Date: April 11, 2025 Source: European Space Agency Summary: Astronomers are investigating the longest and most energetic bursts of X-rays seen ...

In late 2019, the galaxy SDSS1335+0728 suddenly started shining brighter than ever before and was classified as having an active galactic nucleus, powered by a massive black hole in the galaxy’s core.

Researchers used an AI model to create a new image of the black hole at the center of the Milky Way, with some concern from ...

According to a team of astronomers, the recent wind-up could be due to a supermassive black hole coming to life at the galaxy’s core. The team’s research is accepted for publication in ...

Astronomers have discovered that a mysterious galaxy getting brighter in the far, far distance is actually the sudden awakening of a giant black hole 1 million times bigger than the sun.

Artist’s impression of the accretion disc around the massive black hole Ansky and its interaction with a small celestial object Disclaimer: AAAS and EurekAlert! are not responsible for the ...

Astronomers for the first time have observed a supermassive black hole waking up and setting the heart of its host galaxy alight, the European Southern Observatory said on Tuesday. The galaxy 300 ...

Artist’s impression of the accretion disc around the massive black hole Ansky and its interaction with a small celestial object. (Image Credit: European Space Agency) Black holes — the supermassive ...

Now, astronomers believe they are witnessing something never before seen: the awakening of a black hole in real time. “Imagine you’ve been observing a distant galaxy for years, and it always ...

Although we know that supermassive black holes (millions of times the mass of our Sun) lurk at the centre of most galaxies, their very nature makes them difficult to spot and study. In contrast to ...