ESA's Gaia mission, the Very Large Telescope and other ground-based telescopes have discovered stellar black hole Gaia BH3. It's mass is "33 times that of our Sun," according to the European Southern ...

ANDREWS REPLIES: To answer Scott: If Planet Nine is discovered, I’m confident a probe would eventually be sent to it! But after launch it might take decades for a spacecraft to reach that destination, ...

A mysterious black hole in a distant galaxy just woke up after decades of silence—and it’s putting on a cosmic light show! ESA’s XMM-Newton and other X-ray telescopes are capturing massive bursts of ...

Einstein believed that black holes didn't really exist. But they do: that much we know. We don't know much else about them.

A massive black hole at the heart of a galaxy in the Virgo constellation is waking up, shooting out intense X-ray flares at ...

Ansky, a once-dormant black hole, is now emitting powerful X-ray bursts, giving scientists a rare chance to study its ...

In 2022, experts from the University of Amsterdam simulated a black hole event horizon to test Stephen Hawking's 1974 radiation theory.

Researchers made a fascinating discovery at the heart of our galaxy: "strange filaments" driving a cycle of gas emissions and ...

Scientists have uncovered the strongest evidence yet for the existence of elusive intermediate-mass black holes (IMBHs), long ...

This week, researchers reported a brain circuit linked to the intensity of political behavior. Microbiologists found that the ...

Learn why a black hole is becoming active and why experts still can't explain the source of its regular, periodic pattern of ...

Astronomers are investigating the longest and most energetic bursts of X-rays seen from a newly awakened black hole. Watching this strange behavior unfold in real time offers a unique opportunity to ...