Even if the Universe grows to infinity, there might not be enough space to hold all the possibilities. “We are actually living in a million parallel realities every single minute.” –Marina […]

In the depths of intergalactic space, the Big Bang’s leftover glow is just 2.73 K. But this spot in our own galaxy is even colder. “If you want your boomerang to […]

Whether it’s “super” or not, you won’t want to miss this piece of the Universe. “From out there on the moon, international politics look so petty. You want to grab […]

Gravity is the oldest fundamental force ever discovered. Might it not be fundamental after all? “The whole edifice of modern physics is built up on the fundamental hypothesis of the atomic […]

Some things are held to a higher standard than mob rule. “The evidence at present available points strongly to the conclusion that the spirals are individual galaxies, or island universes, […]

The reports that our Solar System is missing the galaxy’s most common type of planet are greatly exaggerated. “To raise new questions, new possibilities, to regard old problems from a […]

Perhaps the limits of what we can observe aren’t just artificial; perhaps there are no limits to what’s out there at all. “Two things are infinite, the universe and human stupidity, […]

Something isn’t right about the Universe without something extra. So why can’t scientists agree on what that “extra” thing is? “All we know so far is what doesn’t work.” –Richard Feynman […]

The press says yes. But what does the science say? “This isn’t my life anymore, Mulder. I’m done chasing monsters in the dark.” –Dana Scully, X-files Without a doubt, one […]

They’re the darkest, most massive things in the Universe. How come they have nothing to do with each other? “All enterprises that are entered into with indiscreet zeal may be pursued […]

Could the Nobel Prize of 2011 have been awarded without cause? “Even if I stumble on to the absolute truth of any aspect of the universe, I will not realise my […]

Sorry to all you ‘Flash’ fans out there; it’s not reality yet. This article was written by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity and high energy […]

It used to be billions and billions, but now it’s in the trillions! “There are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. […]

If we can’t even witness the birth of our Solar System and planet, how can we claim to see the birth of the Universe? “There have to be moments when […]

We see them change in wavelength, energy and in their electric and magnetic fields over time. So how do they experience it? “Everyone has his dream; I would like to […]

A correlation between normal matter and the observed rotation suggests that maybe dark matter isn’t a certainty, after all. “Nothing in the standard cosmological model predicts this, and it is almost […]

Looking into the great, dark unknown was a mystery for thousands of years. No longer! “Science cannot tell theology how to construct a doctrine of creation, but you can’t construct a […]

And what are our prospects for observing its event horizon? “Never look down to test the ground before taking your next step; only he who keeps his eye fixed on the […]

It’s the most distant galaxy cluster ever discovered, and it’s exactly in line with our predictions! “These galaxies are among the most massive galaxies in the universe and are believed […]

Astrophysicists have been looking for worlds like Proxima b since the 19th century. At last, they’re found! This article is contributed by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in […]

Or can moving at relativistic speeds through a general relativistic Universe change everything? “Old age is like a plane flying through a storm. Once you’re aboard, there’s nothing you can […]

There’s a big gap between Helium and Carbon. Come find out why! “And argon, krypton, neon, radon, xenon, zinc and rhodium,And chlorine, cobalt, carbon, copper, tungsten, tin and sodium.These are the […]

How they get so big so fast is a mystery. Could “direct collapse” be the solution we’re seeking? “For something to collapse, not all systems have to shut down. In most […]

Galaxy-sized? Human-sized? Atom-sized? Even smaller? How tiny can a bit of space be and still expand? “We now have the best picture of how galaxies like our own formed their stars.” […]

Could the Universe loop around on itself, and might you come back out the other side? “For once you have tasted flight you will walk the earth with your eyes turned […]

46 billion light years in all directions in just 13.8 billion years? Here’s how it’s done! “They say the universe is expanding. That should help with the traffic.” –Steven Wright There are […]

For the central 8,000 light years, there are practically no tracers of new stars. What gives? “This suggests a lack of Cepheids in the inner 2.5 kpc region of the Galactic […]

The force of empty space isn’t always zero. Here’s how an electromagnetic experiment might be the key to dark energy. “Another very good test some readers may want to look up… […]

While there are presently more than ~10²³ stars in the Universe shining today, each one of them is fated to live only for a finite amount of time. While more […]

The infrared reveals stars — and a surprising population of failed stars — we’ve never seen before. “…innumerable stars, thousands of double and multiple systems, clusters in one blaze with their tens of thousands of […]