Scientists have just snapped pictures of single atoms as they move around freely, capturing details once hidden from sight.

MIT scientists have snapped the first-ever images of individual atoms interacting freely in space, making visible the elusive ...

The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

Albert Einstein’s statements on philosophy and religion were often memorably resonant. What the great physicist really ...

Neutrinos and antineutrinos are elementary particles with small but unknown mass. High-precision atomic mass measurements at ...