Very sure. Here’s how we know. You’ve no doubt heard that the Universe itself has been around for 13.8 billion years since the Big Bang, and that scientists are extremely confident […]

All sorts of futuristic technologies have come true. So why are astronauts all still weightless? Put a human being up in space, away from the gravitational bonds of the surface […]

And if we don’t prepare to catch it now, it’ll be too late. Since 1990, the Hubble Space Telescope has been redefining how we view our Universe. From hundreds of miles […]

For the first time, we’ve seen neutron stars merge. At last, the gravitational and electromagnetic sky are one. “It’s becoming clear that in a sense the cosmos provides the only laboratory […]

Either possibility offers a tremendous existence, but philosophically, there’s so much more to think about. “If the doors of perception were cleansed every thing would appear to man as it is, […]

From the most beautiful to the most impactful, some of these are so powerful it’s breathtaking. “Truth in science, however, is never final, and what is accepted as a fact […]

If your favorite theory made the list, you might want to consider a new favorite to bet on. “Some people believe holding on and hanging in there are signs of great […]

One of cosmic inflation’s cofounders came out against it, calling it not even science. But it is… and so much more. “There’s no obvious reason to assume that the very same […]

It’s a fascinating idea, but how does it fare as a scientific theory? “Something is happening here and this is going to have an impact.” –Robert Dijkgraaf, on Verlinde’s work The […]

Why the 2017 Nobel Prize isn’t the end, but the start, of something really, really big. “Wormholes are a gravitational phenomena. Or imaginary gravitational phenomena, as the case may be.” –Jonathan […]

A well-deserved award for the discovery over a century in the making. “Well, I walked into Building 20 and looked in at the various little labs. There was a bunch of […]

Why not just put your detectors in place of a giant mirror? “Look and think before opening the shutter. The heart and mind are the true lens of the camera.” –Yousuf […]

Three eyes are so much better than two. Here’s why. “Einstein’s gravitational theory, which is said to be the greatest single achievement of theoretical physics, resulted in beautiful relations connecting gravitational […]

If you think we’ve seen all there is to see in the Universe, you’re about to have your imagination unlocked. “Hubble often takes images of distant gravitationally lensed galaxies to […]

The ELT, at 39 meters in diameter, will dwarf everything that’s ever come before. “There are so many people who are arguing or fighting over issues which don’t have much relevance. […]

Last week, Cassini plunged into Saturn’s atmosphere. Here are the top 6 things we learned from it while it was alive. “Being a scientist and staring immensity and eternity in the […]

While it’s fresh in everyone’s mind, this is the best time to turn awareness into action. “Hurricane Katrina overwhelmed levees and exploded the conventional wisdom about a shared American prosperity, exposing […]

Something’s got to be wrong. But is it what we think about the star, the Universe, or something else? “The older you get, the more you realize that the way […]

Just a few simple, common conditions can create the perfect storm. 80% of the time, humans are the trigger. “I’d rather fight 100 structure fires than a wildfire. With a structure […]

Many sci-fi technologies will remain in the realm of fiction unless physics changes. But some experiments could uncover just that! “Imagination makes us aware of limitless possibilities. How many of us […]