New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.

"Interestingly, the quasar powering this massive radio jet does not have an extreme black hole mass compared to other quasars ...

Researchers said on Thursday that they had discovered twin-lobed radio jets they suspect were formed when the universe was ...