An atom consists of a heavy center, called the nucleus, made of particles called protons and neutrons. An atom has lighter ...

Many heavy atoms form from a supernova explosion, the remnants of which are shown in this image. NASA/ESA/Hubble Heritage ...

Atoms are the basis of all the elements in the universe, ... You may like The most powerful ... So, for example, lead has 82 protons and between 120 and 132 neutrons in its nucleus, whereas ...

Miguel Claro captured the Orion Constellation glowing red due to hydrogen gas, as seen from the Dark Sky Alqueva Reserve in ...

A new video shows exactly what it looks like when a water molecule forms out of thin air, ... Mesmerizing nanoscale video shows oxygen and hydrogen atoms forming water. By Joshua Hawkins.

Scientists have demonstrated that atoms can exhibit wave-like behavior, challenging long-held assumptions that experiments of this nature were impossible and opening new doors in quantum physics.

Laguerre polynomials famously describe the radial part of the solution of the Schrödinger equation for hydrogen-like atoms. In 1926, Erwin Schrödinger (right, with Werner Heisenberg and Paul ...

When the hydrogen and helium atoms first formed, the universe was about 1,000 times smaller than it is now. And based on their understanding of physics, scientists believe that the universe was ...