What do physicists actually mean when they talk about the multiverse?

The most common element in the Universe, vital for forming new stars, is hydrogen. But there’s a finite amount of it; what if we run out?

Life is the only physical system that actively uses information.

For decades, cinemas have earned more from concessions than ticket sales. But can their current business model survive in the streaming age?

Running to catch the bus might help you live longer.

ChatGPT’s capabilities are astonishing.

Photons come in every wavelength you can imagine. But one particular quantum transition makes light at precisely 21 cm, and it’s magical.

Light carries with it the secrets of reality in ways we cannot completely understand.

Wizbang innovations capture the public’s imagination, but thoughtful, incremental development is often more valuable to those in need.

We don’t know when or how music was originally invented, but we can now track its evolution across space and time thanks to the Global Jukebox.

Can psychedelics solve the ‘hard problem’ of consciousness? A Johns Hopkins professor explains.

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

There is more consensus on what heaven looks like than hell.

A group of prominent scientists shares how research has changed them.

Albert Einstein played a mean violin.

For the first time in nearly 1500 years, fewer than half the people in England and Wales consider themselves Christian.

The science fiction dream of a traversable wormhole is no closer to reality, despite a quantum computer’s suggestive simulation.

Perform at your mental peak.

A recent study reveals how nerve insulation becomes impaired in the brains of Alzheimer’s patients.

De-extinction, if it is ever possible, will not be simple.

A vertical map might better represent a world dominated by China and determined by shipping routes across the iceless Arctic.

Pessimism sounds smart. Optimism sounds dumb. Don’t fall for it, says Wired’s Kevin Kelly.

In an animal study, it blocked the drug from crossing into the brain.

Inequality should be measured in terms of the time it takes for us to earn the money to buy the things we need. And everyone is getting wealthier.

Collective illusions — false assumptions about society that many people share — have existed for thousands of years in many different ways. Today, because of social media and modern technology, […]

This small phase 1 study suggests that CRISPR-engineered T cells are safe and potentially effective, but there is a long way to go.

Find your wallet or keys — or a nuclear submarine.

Climate activists’ brand of iconoclasm is far removed from the Beeldenstorm that swept medieval Europe.

Becoming less physically active as you get older is not inevitable.

Perhaps wormholes will no longer be relegated to the realm of science fiction.