Q.I'm currently making a toolbox that will be permanently mounted in the bed of my truck, just behind the cab. I have built a structural framework from angle iron, and I have drilled and tapped holes ...

The feeding patterns of black holes offer insight into their size, researchers report. A new study revealed that the flickering in the brightness observed in actively feeding supermassive black holes ...

Aug. 12 (UPI) --Astronomers have finally linked the size of a supermassive black hole to the spectral patterns generated by its eating habits. Most nearby supermassive black holes are dormant. These ...

Patterns in nature often occur in more than one place. Spirals, symmetry, and chaos all impact natural phenomena, from the shape of a shell to the course of a river. Though M87 is one of the most ...

For a few brief nights each year, you get a rare chance to watch a monster blink. The Event Horizon Telescope collaboration ...