On this day, 38 years ago, an accident occurred at the fourth unit of the Chernobyl nuclear power plant. It was the largest man-made disaster in history and remains so. After that, Fukushima happened, ...

According to legend, Galileo dropped weights off of the Leaning Tower of Pisa, showing that gravity causes objects of different masses to fall with the same acceleration. In recent years, researchers ...

Air, water, bacteria, humans, computers, the stars: all of them are made from atoms. In fact, the atoms that make up Earth (and everything on it, including us), originally came from the stars, which ...

In many ways, the history of civilization is the history of chemistry — the study of matter and its properties. Humans have always sought to identify, use and change the materials in our environment.

The Bohr model, introduced by Danish physicist Niels Bohr in 1913, was a key step on the journey to understand atoms. Ancient Greek thinkers already believed that matter was composed of tiny basic ...

Physicists captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the 'free-range' particles that until now were predicted but never directly ...

Crucial to the properties of matter, atoms are widely known as the building blocks of the universe. Harking back to your grade school science classes, you might remember atoms are made up of ...

Luckily, we don't have to count them one by one. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. All matter in the universe — no matter how big, ...

Sometimes genius looks like an elegant equation written in chalk on a blackboard. Sometimes it’s a hodgepodge of wires, canisters and aluminum-foil-wrapped hoses, all held together by shiny bolts.

Air, water, bacteria, humans, computers, the stars: all of them are made from atoms. In fact, the atoms that make up Earth (and everything on it, including us), originally came from the stars, which ...