Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...

In this video, we explore the origins of the first atom, tracing back to the big bang, where immense energy condensed to form ...

New device emits photons in telecom fiber band from the start, so it avoids a separate converter that can waste photons.

A team of researchers from the University of Ottawa has made significant strides in understanding the ionization of atoms and molecules, a fundamental process in physics that has implications for ...

If you think of a single atom as a grain of sand, then a wavelength of visible light—which is a thousand times larger than ...

A type of hydrogen that doesn't interact with light could explain how long neutrons live and reveal the identity of the ...

Trapping ultracold atoms with laser light let researchers magnify and then image the wave functions of atoms that were previously too close together to look like anything but a blob ...

Researchers at Fudan University have built the world’s first fully functional memory chip made from a material only a few ...