"This finding is the first direct evidence of water’s interstellar journey from clouds to the materials that form planetary ...

The weak nuclear force doesn't play by the normal rules — and, in fact, it breaks one of the biggest rules of all.

Our readers agree that in the unlikely event you were able to approach a neutron star, it would look very smooth and bright ...

Scientists at MIT and elsewhere have discovered extremely rare remnants of "proto Earth," which formed about 4.5 billion ...

Advances in particle physics have significantly contributed to medical science over the past century, providing techniques such as magnetic resonance imaging, laser eye surgery, and radiotherapy. More ...

An element's atomic number defines it. An element with 17 protons will always be chlorine. However an element's mass numbers can vary, which means that it can have different numbers of neutrons. So ...

Scientists may have finally uncovered the mystery behind ultra-high-energy cosmic rays — the most powerful particles known in ...

As the nucleus splits, it also releases its neutrons. These neutrons bounce around at incredible speeds until some eventually ...

The race is on to harness the near-infinite power of nuclear fusion—by building a star on Earth. And scientists are closer ...

Scientists found where the universe’s missing matter went. Black holes have been pushing it far away from galaxies.

According to Alfred Nobel's will, the Nobel Prize in Physics was to go to "the person who shall have made the most important ...

A research team led by Rice University physicist Frank Geurts has successfully measured the temperature of quark-gluon plasma ...