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A theoretical physicist returns to Penrose and Hameroff’s theory of “quantum consciousness.”

From the Big Bang to dark energy, knowledge of the cosmos has sped up in the past century — but big questions linger.

Although many of Einstein’s papers revolutionized physics, there’s one Einsteinian advance, generally, that towers over all the rest.

If stars don’t go supernova at first, they can get a second chance after becoming a white dwarf. But can their companions survive?

To understand the edges of our universe, we’ll need to explore the edges of our own philosophies.

An exclusive interview with physicist Lee Smolin reveals how abandoning Einstein’s dream may have been a terrible mistake.

The second law of thermodynamics is an inviolable law of reality. Here’s what everyone should know about closed, open, and isolated systems.

Data scientists first gained prominence by making us click on ads — now the profession spans a multiverse.

Going to smaller and smaller distance scales reveals more fundamental views of nature, which means if we can understand and describe the smallest scales, we can build our way to […]

Here’s why the answer may forever elude scientists.

The hunt for the elusive particles continues.

The smartest person in the world was Isaac Newton, a true polymath whose brilliance never has been, nor ever will be, surpassed.

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

Almost everyone asserts that the Big Bang was the beginning of everything, followed by inflation. Has everyone gotten the order wrong?

The Universe certainly formed stars, at one point, for the very first time. But we haven’t found them yet. Here’s what everyone should know.

Some physicists are besot with the multiverse, but if we can’t detect these other universes, how seriously should we take them?

Popular media often frame scientists as having a cold, sterile view of the world. That couldn’t be further from the truth.

In general relativity, matter and energy curve spacetime, which we experience as gravity. Why can’t there be an “antigravity” force?

The information we have in the Universe is finite and limited, but our curiosity and wonder is forever insatiable. And always will be.

Is the time crystal really an otherworldly revolution, leveraging quantum computing that will change physics forever?

Quarks and leptons are the smallest known subatomic particles. Does the Standard Model allow for an even smaller layer of matter to exist?

Theory without experiment is blind, and experiment without theory is lame.

There are a few possible solutions to the problem of interstellar travel, but they largely remain within the realm of science fiction.

The Kalam cosmological argument asserts that everything that exists has a cause, and what caused the Universe? It’s got to be God.

The most celebrated genius in human history didn’t just revolutionize physics, but taught many valuable lessons about living a better life.

Every time our Universe cools below a critical threshold, we fall out of equilibrium. That’s the best thing that ever happened to us.

From the earliest stages of the hot Big Bang (and even before) to our dark energy-dominated present, how and when did the Universe grow up?

If the evolution of the Universe is a movie, what happens when we rewind it all the way backward?

Quantum theory has weird implications. Trying to explain them just makes things weirder.

From how life emerged on Earth to why we dream, these unanswered questions continue to perplex scientists.