Nasa’s new look at the first black hole ever photographed reveals a surprising discovery

When the world saw the first-ever image of a black hole in 2019, it marked one of the greatest achievements in modern astronomy. The glowing orange ring surrounding the supermassive black hole at the centre of Messier 87 (M87) became an instant scientific icon, offering humanity its first direct glimpse of one of the universe's most mysterious objects. Now, years after that historic breakthrough, scientists from the Event Horizon Telescope Collaboration, supported by observations from several NASA facilities, revisited M87 using multiple years of observations and uncovered an unexpected twist.

By analysing years of observations rather than a single snapshot, researchers found that the bright ring around the black hole is not fixed. Instead, it shifts and flickers over time, revealing that the environment around M87 is far more dynamic than previously thought.

How Nasa revisited the first-ever image of the M87 black hole

The original image of the M87 black hole was unveiled on 10 April 2019 by the Event Horizon Telescope Collaboration, an international network linking radio observatories across the globe into an Earth-sized virtual telescope.Rather than relying on visible light, the telescope observed radio waves emitted by extremely hot plasma orbiting just outside the black hole's event horizon. This produced the now famous image of a bright ring surrounding a dark centre, known as the black hole's shadow.In a new study at Chandra X-Ray Observatory, astronomers revisited observations collected in 2012, 2017, 2023 and 2025, combining multiple years of data to create what they describe as the first "animation based on multiple observing epochs" of the black hole's changing environment.

In 2026 Chandra releases the most detailed X-ray time-lapse of the jet, not the black hole itself.According to the Event Horizon Telescope Collaboration, the observed variability is expected from turbulence in the accretion flow surrounding the black hole.Instead of remaining static, the bright crescent seen in the famous image gradually changes position around the ring, demonstrating that the material spiraling into the black hole is in constant motion.The research was carried out using observations from the Event Horizon Telescope, supported by NASA through several participating observatories and scientific programmes.

What scientists discovered about the black hole’s changing appearance

The biggest surprise was not that the black hole itself changed, its immense gravity remains constant, but that the glowing material surrounding it behaves much like turbulent weather. The ring diameter stayed remarkably stable, while the brightest region rotated and shifted.The bright region of the ring shifts because superheated gas, or plasma, constantly swirls around the black hole at speeds approaching the speed of light. Powerful magnetic fields twist and reshape this plasma, causing the brightest part of the ring to appear at different locations over time.Scientists explain that these variations closely match predictions made by Albert Einstein's General Theory of Relativity and sophisticated computer simulations of black hole accretion.Lead researchers noted that the findings provide new evidence supporting current models of plasma behaviour near a supermassive black hole. yet of how matter behaves under the most extreme gravitational conditions in the universe.The results also strengthen confidence that the bright ring seen in 2019 was never a permanent structure, but rather a momentary snapshot of an ever-changing cosmic environment.

Why the M87 black hole is reshaping our understanding of the universe

The black hole at the centre of M87 contains an estimated 6.5 billion times the mass of the Sun and lies around 55 million light-years from Earth.

Despite its enormous distance, it remains one of the best laboratories for studying gravity, plasma physics and the behaviour of matter near an event horizon.The new observations help astronomers understand how black holes consume surrounding material and launch enormous jets of particles stretching thousands of light-years into space.According to the Event Horizon Telescope Collaboration:"These observations open a new window into understanding black hole dynamics."Researchers believe that continued observations with upgraded telescopes will eventually allow scientists to produce higher-resolution time-lapse images, revealing how black holes evolve in real time.Far from being a frozen portrait, the first black hole ever photographed has turned out to be a living, changing system, one that continues to challenge our understanding of gravity and the most extreme environments in the known universe.