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From before the Big Bang to the present day, the Universe goes through many eras. Dark energy heralds the final one.

The answer to this question is key to understanding why anything exists.

No matter what physical system we consider, nature always obeys the same fundamental laws. Must it be this way, and if so, why?

∆G = ∆H - T∆S is one of the most abstract formulas in science, but it is also one of the most important. Without it, life cannot exist.

This technological feat changes our cosmic history.

Drop sodium in water, and a violent, even explosive reaction will occur. But quantum physics is needed to explain why.

Humanity is in trouble. Here's how aliens could help.

NASA will use energy from Earth's gravity to launch the Lucy spacecraft in October of this year.

All the things that surround and compose us didn't always exist. But describing their origin depends on what 'nothing' means.

On the largest scales, galaxies don't simply clump together, but form superclusters. Too bad they don't remain bound together.

For over three decades, toxic proteins were believed to cause Alzheimer’s disease. However, recent studies suggest it might be metabolic reprogramming.

Do the laws of physics place a hard limit on how far technology can advance, or can we re-write those laws?

At very high and very low temperatures, matter takes on properties that open up an entire Universe of remarkable new possibilities.

There's a big difference between the notions of 'false vacuum' and 'true vacuum' states. Here's why we don't want to live in the former.

In our common experience, you can't get something for nothing. In the quantum realm, something really can emerge from nothing.

Chemical energy, where electrons transition in atoms, powers the reactions we see. But two other types hold more promise than all the rest.

Some U.S. intelligence operatives have suggested foreign adversaries may be using "directed-energy" weapons against Americans.

Fermilab's TeVatron just released the best mass measurement of the W-boson, ever. Here's what doesn't add up.

The fully functional plant will serve to demo TerraPower's nuclear tech.

Billions of years ago, the ever-increasing entropy must've been much lower: the past hypothesis. Here's how cosmic inflation solves it.

Particle physics needs a new collider to supersede the Large Hadron Collider. Muons, not electrons or protons, might hold the key.

Magnetic monopoles began as a mere theoretical curiosity. They might hold the key to understanding so much more.

The first nation to make bitcoin legal tender will use geothermal energy to mine it.

Germany finds itself once again allowing a murderous dictator to run rampant in Europe, though this time it is due to incompetence and technophobia rather than malice.

There has been a 600% increase in European gas prices so far in 2021.

We thought the Big Bang started it all. Then we realized that something else came before, and it erased everything that existed prior.

Everything else in the universe is either a particle or field. Dark energy behaves as neither, and it may be a property inherent to space itself.

The laws of physics state that you can't create or destroy matter without also creating or destroying an equal amount of antimatter. So how are we here?

If you want to understand the Universe, cosmologically, you just can't do it without the Friedmann equation. With it, the cosmos is yours.

It could evolve, strengthen, decay, or not be alone. Our known Universe contains matter, radiation, and dark energy. While matter (both normal and dark) and radiation become less dense as […]