International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected ...

"If our eyes were able to detect X-rays, the sky would be full of dots. And every single one of those dots would be an ...

The Galaxy S25, S25+, and S25 Ultra appear similar to previous models, but custom processors and fine-tuned AI open the door ...

Researchers have found there are many more black holes in the universe than once thought. (Credit: WikiMedia Commons) Most ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with ...

The dense stellar remnant would, if confirmed, be the closest known object to any black hole, according to preliminary ...

In the case of the trade-in rebate, you could potentially pick up the S24 Ultra for just $350 if the device you hand over is ...

Since 2018, we've seen 1ES 1927+654 generate jets in real time and found it may have a lone white dwarf orbiting near the ...

In 2018, a galaxy about 270 million light-years away from Earth exhibited a major increase in activity. It quieted down again by 2020 -- only to dramatically increase its output again in 2023. At that ...

We've also seen a black SIM card tray with a hint of ... this sounds like it would be one of the brightest and most eye-catching Samsung Galaxy S25 colors if it’s offered. On top of that ...

While there's a robust global market of smartphone manufacturers, in the U.S., most people are probably rocking something ...