For decades, scientists have tried to harness the power of nuclear fusion, a process that combines two atomic nuclei to form ...

Their work to achieve the first nuclear reaction in 1942 marked the start of the Atomic Age, and it would change everything—from energy to medicine to the geopolitical landscape. In the 1930s, ...

He published his ideas in 1803. This atomic model has changed over time. Scientists used the model to make predictions. Sometimes the results of their experiments were a surprise and they did not ...