Hypervelocity stars (HVSs) were first theorized to exist in the late 1980s. In 2005, the first discoveries were confirmed.

"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars." Astronomers have detected the largest black hole-launched jet ever ...

Supermassive black holes can fuel their own growth by cooling and recycling gas, creating a continuous cycle of feeding and ...

The Galaxy S25+ ships in a thin black box, which contains a SIM ejector and a USB-C cable. The bundled cable is model DN980 with a 3A or 25W rating. This means it will not be enough to supply 45W ...

A blast of radio waves from the outskirts of an ancient galaxy challenges theories about what creates such bursts.

Or the Samsung that made a nearly three-minute video explaining how black the Phantom Black Galaxy S21 Ultra was? The result is that the S25 Ultra is lighter and more comfortable to hold ...

The Samsung Galaxy S25 Ultra measures 162.8 x 77.6 x 8.2mm, while it weighs 218 grams. The device comes in Titan Black, Titan Gray, Titan Silverblue, and Titan Whitesilver color options.

Both of these devices are fueled by the same processor, the Snapdragon 8 Elite for Galaxy. That is essentially a slightly overclocked variant of the regular Snapdragon 8 Elite from Qualcomm.

and Titanium Black; all look nice enough but are perhaps a tad uninspired compared to the green and violet option of the S24 Ultra. Overall, and from my experience, the Galaxy S25 Ultra is a ...

Patrick Holland has been a phone reviewer for CNET since 2016. He is a former theater director who occasionally makes short films. Patrick has an eye for photography and a passion for everything ...

The Galaxy S25 Ultra is Samsung's flagship phone. The 256GB is listed at $1,299.99 with $100 in Samsung credit, the 512GB is on sale for $1,299.99 ($120 discount) with $80 in Samsung credit ...

Black holes can actively regulate the material they consume, using powerful jets of gas blasted into space, according to a ...