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A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Avi Loeb shares the story of how a Tesla Roadster had some astronomers convinced for a time that they had discovered a new ...

“It is probably the closest object we’ve ever observed orbiting around a supermassive black hole. This is extremely close to the black hole’s event horizon,” said Megan Masterson, a ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in observations..

The more likely scenario, one that scientists understand better in terms of the physics involved, is that an orbiting companion, lingering very close to the black hole, is extraordinarily ...

Astronomers have discovered a supermassive black hole firing a giant energy beam directly at Earth. This cosmic giant, weighing as much as 700 million suns, is located in a galaxy from the early ...

the fluctuation period ramped up from every 18 minutes to just seven minutes – the first-ever measurement of its kind around a supermassive black hole. If this signaled an orbiting object ...

Many more supermassive black holes could be hiding in the universe than previously thought, according to a new study. Astronomers from the University of Southampton say that 35% of these galactic ...

As it circles closer and closer to the black hole, they hypothesize, those pulses speed up. Now, the white dwarf might be orbiting within millions of miles of the black hole’s event horizon ...

So, some object may be orbiting ever-closer to the supermassive black hole — a phenomenon that has been seen before, she said, though other such orbiters have periods of hours or days ...

“One way to produce these oscillations is with an object orbiting within the black hole’s accretion disk. In this scenario, each rise and fall of the X-rays represents one orbital cycle ...