Imagine standing by a lake and throwing a stone into the water. Waves spread out in circular patterns and can reflect at ...

Astronomers have detected an intensely brightening and dimming quasar that may help explain how some objects in the early universe grew at a highly accelerated rate. The discovery is the most distant ...

Attosecond science, the laser-led study of what happens to matter over very short timescales, could lead to major advances in ...