Our Universe is 13.8 billion years old, and our Sun formed about 2/3rds of the way through. Here’s what came before it. When it comes to the great cosmic question of […]

If this newfound galaxy is just the tip of the iceberg, the entire Universe may fall into place. One of the greatest challenges for a scientist is that every time you […]

The origin story for our Universe got a major revision nearly 40 years ago. Time to catch up. 13.8 billion years ago, all the matter and energy contained within our Universe […]

It’s one of cosmology’s biggest unsolved mysteries. The strongest argument against it may have just evaporated. The ultimate goal of cosmology contains the greatest ambition of any scientific field: to […]

In the mid-20th century, ‘physical cosmology’ was considered an oxymoronic joke. Today, it’s Nobel-winning science. Imagine you wanted to know everything you could about the Universe. You’d want to find […]

It’s much more complex a question than dividing its mass by the volume of the event horizon. If you want to get a meaningful answer, you have to go deep. If […]

Or, quite possibly, is it more complex than either one of those scenarios? If there’s one lesson that humanity should have learned from the 20th century, it’s this: the Universe […]

Jim Peebles, Michel Mayor and Didier Queloz just won the 2019 Nobel Prize in Physics. It couldn’t be more well-deserved. Every year, the Nobel Prize reminds all of humanity to […]

It’s not about whether speculating theorists are right; it’s about looking where humanity has never looked before. The Large Hadron Collider, located at CERN, is the most powerful particle accelerator and […]

Even though it was the crowning achievement of Einstein’s career, he was only a small part of the full story. If you were a physicist in the early 20th century, there […]

There’s so much we don’t know about fast radio bursts and galactic halos. Combined, we get a unique window on the Universe. Deep in space, mysterious signals known as Fast […]

As soon as you start thinking about energy and gravity, you’ll realize the need to go beyond it. When it comes to a science like physics, theoretical expectations must always be […]

Every object in the Universe is constrained by the laws of physics. Does this mean there are any black holes that shouldn’t exist? When it comes to the objects that […]

If you thought the Planck satellite just made temperature maps of the cosmic microwave background, this will astound you. The Milky Way, to human eyes, appears as simply a mix of […]

With the discovery of the Higgs boson, the Standard Model is now complete. Can we be sure there isn’t another generation of particles out there? The Universe, at a fundamental level, […]

Maybe, but that probably doesn’t mean what you think it does. Of all the unsolved puzzles in the Universe, perhaps the most confounding is the dark matter problem. If we look […]

The Sudbury neutrino observatory, which was instrumental in demonstrating neutrino oscillations and the massiveness of neutrinos. With additional results from atmospheric, solar, and terrestrial observatories and experiments, we may not […]

It’s a great scientific opportunity of modern times, but we won’t get there with our current observatories. One of the holy grails of modern science is to find a world, […]

As more data comes in, the puzzle gets deeper and deeper. Whenever you set out to solve a problem, there are a series of steps you have to take in order […]

What’s more massive than the heaviest known neutron star but lighter than the lightest known black hole? LIGO may be about to solve that mystery. Whenever a star is born in […]

You might think that we live in a three dimensional Universe based on space alone. But you cannot leave time out of it. If you were asked to describe how you […]

The darkness of the night sky was a mystery for generations of humans. Here’s the reason why. From our perspective here in the Solar System, it makes absolute intuitive sense why […]

Black holes are regions of extreme gravity, but dark matter barely interacts at all. Do they play well together? Black holes are some of the most extreme objects in the […]

When the Universe expands, photons redshift to longer wavelengths and lower energies. So where does that energy go? Imagine the ultimate version of a toy Universe: it’s expanding, it’s full of […]

We’re one step closer to solving the mystery of how they get so big so fast. A great cosmic mystery for science is explaining how supermassive black holes form. An ultra-distant […]

After Kepler but before James Webb, TESS is preparing astronomers for the coming exoplanet revolution. There are always new discoveries and achievements occurring in science, and certain fields have experienced […]

There are rules absolutely forbidding it from happening. But some particles do it anyway. All the matter we know of in the Universe is made up of Standard Model particles. Photons […]

Many of them are spinning at nearly the speed of light. When you do the math, there’s no other way it could have been. Take a look out there at the […]

What makes Uranus and Neptune-like worlds so fascinating? If you only knew. What do we really know, and what mysteries are left to solve, about the outer worlds of our Solar […]

The dream of multi-messenger astronomy is to seen an event with gravitational waves, neutrinos, and light all together. The newest candidate just might get us there. When it comes to cataclysmic […]