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In the infant Universe, particle physics reigned supreme.

In the very early Universe, practically all particles were massless. Then the Higgs symmetry broke, and suddenly everything was different.

The future belongs to complexity.

In a recent paper, biologists outlined a three-part hypothesis for how all life as we know it began.

Earth, the only rocky planet with a large, massive satellite, is greatly affected by the Moon. Destroying it would cause 7 major changes.

In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?

Science fiction met nuclear fission when Hungarian physicist Leó Szilárd pondered the explosive potential of nuclear energy.

All biological systems are wildly disordered. Yet somehow, that disorder enables plant photosynthesis to be nearly 100% efficient.

All of the matter and radiation we measure today originated in a hot Big Bang long ago. The Universe was never empty, not even before that.

To know how to protect its astronauts, NASA needs to first understand the threat.

If you eat a diet full of refined grains, high-sugar drinks, and sweets, there’s a good chance you have too much insulin.

There’s no upper limit to how massive galaxies or black holes can be, but the most massive known star is only ~260 solar masses. Here’s why.

The biggest nuclear blast in history came courtesy of Tsar Bomba. We could make something at least 100 times more powerful.

The properties of a ghostly particle called a neutrino are coming into focus.

His grandfather, a member of Oppenheimer’s atomic bomb team, foresaw the potential of nuclear energy to power cities — not destroy them.

What if we could harvest energy from human heat, sweat, or vibrations?

One of the most promising dark matter candidates is light particles, like axions. With JWST, we can rule out many of those options already.

Practically all of the matter we see and interact with is made of atoms, which are mostly empty space. Then why is reality so… solid?

Black holes encode information on their surfaces, but evaporate away into Hawking radiation. Is that information preserved, and if so, how?

NASA’s only flagship X-ray telescope ever, Chandra, still works and has no planned successor. So why does the President want to kill it?

The “first cause” problem may forever remain unsolved, as it doesn’t fit with the way we do science.

If nature were perfectly deterministic, atoms would almost instantly all collapse. Here’s how Heisenberg uncertainty saves the atom.

In a far-reaching discovery with astrophysicist Karolina Garcia, we discuss what’s in the Universe and how it grew up.

As we pursue the leadership difference we seek, we attract fuel and generate heat. The trick is to avoid burnout.

From nothing to everything: How zero changed our understanding of the universe, forever.

A great many cosmic puzzles still remain unsolved. By embracing a broad and varied approach, particle physics heads toward a bright future.

In many ways, it was worse than Chernobyl.

The world needs a moral defense of progress based in humanism and agency.

You can only create or destroy matter by creating or destroying equal amounts of antimatter. So how did we become a matter-rich Universe?

Is the Universe finite or infinite? Does it go on forever or loop back on itself? Here’s what would happen if you traveled forever.