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All stars shine due to an internal source of energy. Usually, it’s nuclear fusion: converting mass into energy. What makes them most bright?

Around the world, biofuels, so-called green energy sources, are waving major red flags.

DESI, by mapping galaxies, has claimed they see evidence for dark energy evolving by getting weaker. But that’s only one interpretation.

A massive nuclear fusion experiment just hit a major milestone, potentially putting us a little closer to a future of limitless clean energy.

The race to find dark matter could grow more complex with high-energy neutrino interference.

For well over a century, engineers have proposed harnessing the ocean’s tides for energy. But the idea hasn’t seemed to register in many places.

From a hot, dense, uniform state in its earliest moments, our entire known Universe arose. These unavoidable steps made it all possible.

Two parts of our Universe that seem to be unavoidable are dark matter and dark energy. Could they really be two aspects of the same thing?

Australia’s AAPowerLink boasts three global superlatives: largest solar farm, largest battery, and longest power cable.

The fact that our Universe’s expansion is accelerating implies that dark energy exists. But could it be even weirder than we’ve imagined?

Explore data on electric car sales and stocks worldwide.

A recent measurement has simultaneously settled an ongoing scientific debate while puzzling scientists.

If it weren’t for the intricate rules of quantum physics, we wouldn’t have formed neutral atoms “only” ~380,000 years after the Big Bang.

Decades ago, a disaster left three million acres of land uninhabitable and killed between 85,600 and 240,000 people. Chernobyl? No. Banqiao dam in China.

Our Universe isn’t just expanding, the expansion is accelerating. Instead of dark energy, could a “lumpy” Universe be at fault?

Perhaps the most well-known equation in all of physics is Einstein’s E = mc². Does mass or energy increase, then, near the speed of light?

When leaders embrace positive personal energy, everyone feels the benefits — in trust, innovation and creativity.

Since 1998, we’ve known our Universe isn’t just expanding, but the expansion is accelerating. Could the Big Bang itself be the reason why?

“A person’s mass is made not of ‘stuff’ in the way we normally think about it, but rather our mass is made of energy.”

Empty space itself, the quantum vacuum, could be in either a true, stable state or a false, unstable state. Our fate depends on the answer.

Ironically, the company did so using technology perfected by the oil industry.

More than any other equation in physics, E = mc² is recognizable and profound. But what do we actually learn about reality from it?

There are limits to where physics makes meaningful predictions: beyond the Planck length, time, or energy. Here’s why we can’t go further.

Electric vehicle sales are rising but public charging in cities is still lacking.

Here in our Universe, both normal and dark matter can be measured astrophysically. But only normal matter can collapse. Why is that?

It’s possible to remove all forms of matter, radiation, and curvature from space. When you do, dark energy still remains. Is this mandatory?

Dark energy is one of the biggest mysteries in all the Universe. Is there any way to avoid “having to live with it?”

A proton is the only stable example of a particle composed of three quarks. But inside the proton, gluons, not quarks, dominate.

Humans, when we consider space travel, recognize the need for gravity. Without our planet, is artificial or antigravity even possible?

A recent paper in the journal Physical Review Letters claims to prove that a “kugelblitz” is not possible.