Dark energy makes up roughly 70% of the universe, yet we know nothing about it. Around 25% of the universe is the equally mysterious dark matter, leaving just 5% for everything that we can see and ...

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 ...

“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 ...

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 ...

The world is in the midst of a shift away from fossil fuels and towards carbon-neutral energy sources, a change expected to be as momentous as the coal that enabled the Industrial Revolution in the ...

If you’ve ever observed a river rushing down a mountain or played in the waves at the beach, you’ve felt that moving water contains a lot of energy. A river can push you and your kayak downstream, ...

While most Republican presidents have campaigned on some version of energy independence or an “all-of-the-above” energy approach, President Donald Trump goes further—no longer just independence, but ...