“Dark energy” is a term scientists use to refer to whatever is causing the universe to expand faster over time. We don’t know exactly what dark energy is—no one has ever directly seen or measured ...

Dark energy is still one of the greatest cosmic mysteries. For all the time, money and telescopes that humanity has used to uncover its nature, scientists are still asking a fundamental question: What ...

Fusion is a natural phenomenon that provides our planet with much of its energy—generated millions of miles away in the center of our sun. Here on Earth, scientists are trying to replicate the hot and ...

What Is Energy Transition? Energy transition refers to the global shift from fossil fuel-based energy systems to low-carbon and renewable alternatives. This transformation is essential to reducing ...

Last December physicists working on fusion claimed a breakthrough. A team at the National Ignition Facility (NIF) in California announced it had extracted more energy from a controlled nuclear fusion ...