atoms

The same phenomenon causing a siren to change pitch as it drives by has now been shown in a single molecule.

The trouble with studying antimatter is keeping it around.

The world's largest particle accelerator has begun to create mini Big Bangs in the lab by smashing lead ions together.

Scientists probe a freaky consequence of quantum mechanics: entanglement

The proton, one of the most well-known and basic building blocks of matter, turns out to be holding on to a few secrets.

Physicists have discovered a way to play with matter on a subatomic scale, reaching into atoms to manipulate the spin of electrons.

A new technique reveals the atoms and bonds within a molecule.

MIT research finds way around one snag in creating nuclear fusion reactors.

Researchers hope to finally track down dark matter with the world's biggest atom smasher, which opened in Switzerland.

Strange events that Einstein himself called "spooky" might happen at least 10,000 times the speed of light.