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For generations, physicists have been searching for a quantum theory of gravity. But what if gravity isn’t actually quantum at all?

The recently discovered Oort cloud comet, Bernardinelli–Bernstein, has the largest known nucleus: 119 km. Here’s what it could do to Earth.

What we call “basic research” is actually the most cutting-edge. It underpins knowledge, and without it, technology does not come into being.

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

Get rid of the notion that the best employees come from Harvard, Yale, and Princeton.

Today, our observable Universe extends for 46 billion light-years in all directions. But early on in our history, things were much smaller.

The problem of the electroweak horizon haunts the standard model of cosmology and beckons us to ask how deep a rethink the model may need.

Based on data since 2000 alone, global warming is still occurring at a whopping 7-sigma significance. How hot will planet Earth get?

“Isn’t it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?”

No matter how good our measurement devices get, certain quantum properties always possess an inherent uncertainty. Can we figure out why?

Forget about the terawatt lasers we’re making on Earth. This natural one is thousands of times more powerful than the Sun.

In the 1970s, James Lovelock proposed that the biosphere was not just green scruff quivering on Earth’s surface. Instead, it managed to take over the geospheres.

In theory, the fabric of space could have been curved in any way imaginable. So why is the Universe flat when we measure it?

The way to understand the earliest moments of creation is to recreate those conditions and study them. Why would we stop now?

Many people out there, including scientists, claim to have discovered a series of game-changing revolutions. Here’s why we don’t buy it.

In the ongoing battle against PTSD, a potential new weapon emerges: a nasal spray loaded with neuropeptide Y.

A long view of biological survival might point us to new possibilities for finding life elsewhere in the Universe.

We know the Universe is expanding, but scientists don’t agree on the rate. This is a legitimate problem.

Scientists still aren’t sure how they perform without those restorative Z’s.

Left to their own devices, yeast cells will consume all available resources and poison themselves to death. Is humanity smarter than that?

As we gain new knowledge, our scientific picture of how the Universe works must evolve. This is a feature of the Big Bang, not a bug.

Ocean fertilization is extremely controversial, but if done correctly, it just might work.

The Universe isn’t as “clumpy” as we think it should be.

Michael Faraday’s 1834 law of induction was the key experiment behind the eventual discovery of relativity. Einstein admitted it himself.

In 1054, a core-collapse supernova occurred 6500 light-years away. In 2023, JWST imaged the remnant, and might solve a massive mystery.

In Einstein’s relativity and the Standard Model, we only have three spatial dimensions. But there could be more, and many think there are.

In paint form, the world’s “whitest white” reflects so much light that surfaces become cooler than the surrounding air.

Capsaicin is already used to treat nerve pain. Early research hints it could do more.

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

The power tower has superior physics but inferior economics.