If it’s the anti-version of normal matter, could it possibly fall “up”? This article was written by Sabine Hossenfelder of Backreaction. Sabine is a theoretical physicist specialized in quantum gravity and […]
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Why weightlessness is possible, even if there’s no place you can hide from the Universe’s longest-range force. “It was a strange lightness, a drifting feeling. Zero gravity. I understood that […]
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. […]
A live-blog event happened a week ago, but you can catch the entire thing anew here, right now! “We have never observed infinity in nature. Whenever you have infinities in […]
If you haven’t finished your holiday shopping yet, consider these 10 gifts, good any time of year! One of the hardest things when it comes to holiday shopping is to find […]
The first stars formed almost half a billion years before we could see their light. Here’s why. At the moment of the Big Bang, the Universe was full of matter and […]
The atoms, planets, stars, and even galaxies aren’t expanding, even though space is. How come? This article was written by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity […]
Loop quantum gravity gets the ancient atomist back into the loop, showing how black holes might explode, and that the Big Bang might be a Big Bounce.
From a Universe that went no bigger than our Milky Way to the trillions of galaxies in our expanding Universe, our knowledge increased one step at a time. “Gamow was fantastic […]
With a journey of 130 million light years, both signals should move at the speed of light. So why did one get here first? On August 17, after a journey taking […]
No matter what the science says, there’s no excuse for cruel behavior to a colleague. Look out into the distant Universe as far as you possibly can, and you’ll come […]
When a phenomenon moves from “empirical correlation” to “theoretically explained,” that’s one of the biggest deals in science! “Space and time may have a structure as intricate as the fauna of […]
Falling into a black hole is forever… but could a tether to the outside pull you back out? “Nobody ever did, or ever will, escape the consequences of his choices.” –Alfred A. […]
Risks abound for those plucky few willing to put their lives on the line to populate the Red Planet.
We’ve never seen an event horizon, nor directly imaged a black hole. Thanks to a worldwide effort, victory may at last be in sight. “Never look down to test the ground […]
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 […]
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 […]
If not for the indeterminate nature of matter, the Sun would never be able to shine. “The bedrock nature of space and time and the unification of cosmos and quantum are […]
Is it conserved? Destroyed? Radiated away? 40+ years on, we still don’t have answers. This article was contributed by Sabine Hossenfelder. Sabine is a theoretical physicist specialized in quantum gravity and […]
Physicist Erik Verlinde’s theory successfully predicts the distribution of gravity around 33,000+ galaxies without relying on unobserved “dark matter”.
A new generation of tabletop physics devices may be the next forefront for breakthrough discoveries.
The results of this study help us better understand how stars are born and how they develop.
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 […]
Finding a warm-hot intergalactic plasma is amazing! But we still need dark matter just as much as ever. “There are stars leaving the Milky Way, and immense gas clouds falling […]
A theoretical physicist proposes a new way to think about gravity and dark matter.
This theory may square differing calculations in the universe’s expansion rate.
Astrobiologist Lewis Dartnell explains why we shouldn’t be afraid of alien visitors.
Perhaps moving the entire planet into a different orbit could help us avoid the boiling of the oceans. It’s unorthodox, but not entirely off-the-wall, says astrophysicist Ethan Siegel.
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 […]