For the first time, researchers have been able to measure the quantum state of electrons ejected from atoms that have absorbed high-energy light ...
For the first time, researchers have been able to measure the quantum state of electrons ejected from atoms that have absorbed high-energy light ...
New data reveals a 3-million-light-year filament connecting two galaxies, each of which hosts a supermassive black hole.
Some pictures tell a story. Others raise more questions than they answer. This collection falls into the second category ...