Unlike active galaxies that constantly pull in surrounding material, these black holes lie dormant until a star passes by.

The merger resulted in a combined black hole 225 times our sun’s mass, and challenges current astrophysical models of black ...

Lydia Kallipoliti's design work has been widely exhibited in the Venice Bienniale, the Istanbul Design Biennial, the Shenzhen ...

Maximiliano Isi was a graduate student at the California Institute of Technology in 2014, when scientists there first detected gravitational waves—ripples in spacetime that Einstein had predicted ...

Advances in the use of ultrasonography enhance our ability to better characterize acute kidney injury (AKI) and volume assessment in critically ill patients. The initial approach to AKI differentiates ...