Scientists have made the first experimental observation of matter wave diffraction in a short-lived electron-positron atom. A ...

For a long time, it was thought that this [technique] required telescopes in space,” says John Mather, the Nobel ...

For decades, astronomers have been puzzled by strange “zebra stripe” patterns in radio waves from the Crab Pulsar — bright bands separated by complete darkness. Now, new research suggests the answer ...