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Everything we observe beyond our Local Group is speeding away from us, omnidirectionally. If the Universe is expanding, where is the center?

Researchers dramatically improve the accuracy of a number that connects fundamental forces.

Dr. Tyson explains where we might find aliens, why “dark matter” is a misleading term, and why you can blame physics for your favorite team’s loss.

Featuring SpaceX’s “Mechazilla,” a first-of-its-kind spacewalk, and more.

The great philosopher spent the final portion of his painful life in a vegetative state. Did illness get him there, or was it his own philosophy?

Recasting the iconic Carrington Event as just one of many superstorms in Earth’s past, scientists reveal the potential for even more massive eruptions from the sun.

We need more and better data to know, but that’s exactly what’s coming. Over the past few decades, a number of important advances have helped revolutionize our picture of the Universe. […]

And do our black holes give birth to baby Universes? When it comes to our understanding of the Universe, the 20th century was full of surprises. A little over 100 […]

On July 12, 2022, JWST will release its first science images. Here are 5 ways the telescope’s findings could change science forever.

Matt Strassler’s journey into fundamental physics culminates in a brilliant explanation of the Higgs field. Enjoy this exclusive interview.

Enough mass in one location will always create a black hole. But not all masses are possible. If you take enough mass and compress it into a small enough volume […]

If you think it’s just three quarks held together by gluons, you’ll want to read this. At a fundamental level, the Universe is composed of indivisible particles. From macroscopic scales down […]

Tech entrepreneur Alvin Wang Graylin sketches out a bold new age of AI-led enlightenment underscored by compassion.

What do we mean by a black hole’s size? A photon sphere? The minimal stable orbit? The event horizon? The singularity? Which one is right?

The double-slit experiment, hundreds of years after it was first performed, still holds the key mystery at the heart of quantum physics.

If the electromagnetic and weak forces unify to make the electroweak force, maybe, at even higher energies, something even greater happens?

“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?”

From exoplanets to supermassive black holes to the first stars and galaxies, Webb will show us the Universe as we’ve never seen it before.

Over 50 years since humans last walked on the Moon, astronaut footprints and rover tracks are still visible. But they won’t last forever.

It’s 13.8 billion years old, with an uncertainty of just 1%. Here’s how. How old is the Universe? For generations, people argued over whether the Universe had always existed, whether it […]

Why are the rest masses of fundamental particles related like this? When it comes to the nature of matter in the Universe, the Standard Model describes the known elementary particles perfectly […]

Each year in mid-August, Earth plows through the debris stream of an enormous comet, creating the Perseids. 2023’s show will be magnificent!

An artist’s impression of what the fully-deployed James Webb Space telescope will look like from the perspective of an observer on the ‘dark’ (non-Sun-facing) side of the observatory. (NORTHRUP GRUMMAN) […]

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?

If we want our conclusions to be meaningful, our data had better be robust. When it comes to the Universe, there’s a whole lot that doesn’t add up. All the matter […]

Demanding appropriate levels of skepticism and scrutiny isn’t cruelty, but rather demonstrates scientific integrity and intellectual honesty. Every few months, a novel headline will fly across the world, claiming to […]

Why does dark matter, if it doesn’t dissipate energy, become gravitationally bound at all? One of the most puzzling components of the Universe has to be dark matter. Although we have […]

If you want to get the Universe we see, a multiverse comes along for the ride. When we look out at the Universe today, it simultaneously tells us two stories about […]

The Osbournes was MTV’s biggest show – and it almost cost Jack Osbourne his life. Here’s how his family’s reality TV fame stole his childhood, and how he’s been able to heal since.

“She understood me and I understood her. I loved that pigeon.”