Black holes pepper our universe, but like their name implies, most are invisible — until something happens to change that. That something is often material flowing into the black hole. And in March ...

I did a search through C&CF and I didn't find this mentioned anywhere, so I thought I'd share something I found.<P>I came across an accessory that's available for most jigsaws that should make cutting ...

Astronomers have an answer for a long-running mystery in astrophysics: why is the growth of supermassive black holes so much ...

As civilizations grow and mature, if humanity so far is anything to go by, they require a lot more energy to sustain themselves. A number of power-supply options for advanced civilizations have been ...

Astronomers have a new way to measure how fast a black hole spins, by using the wobbly aftermath from its stellar feasting. The results offer a new way to probe supermassive black holes and their ...

After the discovery of the Higgs boson by the Large Hadron Collider, there's been a lot of discussion about where to go from here. The LHC is currently the world's most powerful particle accelerator, ...

A rapidly expanding black hole got spotted by researchers from the Australia National University (ANU), and it still grows in the present, as the study authors saw it using the SkyMapper Telescope in ...

In the popular imagination, black holes are voracious monstrosities gulping down anything in their vicinity. That is why there are occasional worries that physicists might accidentally or ...