And what might we learn as we collect new, never-before-seen data? If you took one of history’s top scientists from 100 years ago and dropped them into today’s world, what […]
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All pointing toward the Standard Model plus General Relativity not being all there is. “The Universe is very, very big. It also loves a paradox. For example, it has some extremely […]
Might Armageddon come not from an asteroid or a comet, but by something completely unseen altogether? “Honestly, if you’re given the choice between Armageddon or tea, you don’t say ‘what […]
Traveling to the future is possible, but the “back” part runs into trouble. Mr. Strickland: “I noticed your band is on the roster for the dance auditions after school today. […]
There were two periods of exponential expansion in the Universe: one today and one long ago. Are they related? “What is wild cannot be bought or sold, borrowed or copied. […]
And what it means if we don’t see gravitational waves from inflation in the next 5–10 years. “The paradigm of physics — with its interplay of data, theory and prediction — is the most powerful […]
If String Theory has nothing to do with reality, what are our options? “I just think too many nice things have happened in string theory for it to be all […]
A “speculative” theory no more; it’s had four of them confirmed. “Scientific ideas should be simple, explanatory, predictive. The inflationary multiverse as currently understood appears to have none of those […]
How do we know that the fluctuations in the cosmic microwave background aren’t polluted by everything Hubble reveals? “Silently, one by one, in the infinite meadows of heaven,Blossomed the lovely […]
It’s what holds the nuclei in atoms together, overcoming electric repulsion. But how does it work? “I found I could say things with color and shapes that I couldn’t say […]
The Universe is full of surprises. These are the biggest, plus what they mean. “Surprise is the greatest gift which life can grant us.” –Boris Pasternak So it is in […]
Why “letting there be light” in the Universe isn’t enough. “Dwell on the beauty of life. Watch the stars, and see yourself running with them.” –Marcus Aurelius I want you […]
The Consumer Electronics Show is over, but the enduring story of how wearables will be a part of everyday life persists. Just a month ago was the Indiegogo campaign to […]
All things being equal, the simplest explanation is usually the best. But we don’t all agree on what “simple” means. “It is always the simple that produces the marvelous.” –Amelia […]
How an experiment high above Antarctica — Spider — sheds new light on the cosmic microwave background. Observations of the cosmic microwave background continue to capture public attention, highlighted these last few weeks in […]
If everything began with a Big Bang and is expanding, is there a center? “I want to stand as close to the edge as I can without going over. Out […]
What it means if there’s no life anywhere else in the Universe, and what we know so far. “Men occasionally stumble over the truth, but most of them pick themselves […]
The nature of our Universe defies our intuition. That just might be the greatest thing of all. “I asked the Zebra,are you black with white stripes?Or white with black stripes?And […]
How the Cosmic Microwave Background — the Big Bang’s leftover radiation glow — continues to shed light on the birth of our Universe. Image credit: ESA and the Planck Collaboration. The announcement of the […]
Did you hear about the EmDrive, the “impossible space engine?” Here are the red flags you should have looked for! Image credit: © 2012 — Twentieth Century Fox Film Corporation. “You can’t […]
The quantum nature of the Universe ruins everything. “What we observe is not nature itself, but nature exposed to our method of questioning.” –Werner Heisenberg When you think about the […]
There have been many supernovae in the Milky Way seen over the past 2,000 years, but nobody ever saw the most recent ones! Image credit: NASA/CXC/NCSU/K.Borkowski et al. “When I […]
No other idea explains even two of these. Image credit: NASA / CXC / ESO WFI / Magellan composite. Any recent article about the remaining mysteries of the Universe will […]
And what they mean for humans here on Earth. “Concentrate all your thoughts upon the work at hand. The sun’s rays do not burn until brought to a focus.” –Alexander […]
Even at the speed of light, you’ll never reach these galaxies. “I realise now that I wanted to disappear. To get so lost that nobody ever found me. To go […]
If you had never heard of global warming before, how would you figure out whether it’s happening? “There is no question that climate change is happening; the only arguable point […]
The Standard Model can’t be all there is. Here are five compelling reasons why. “Other than the laws of physics, rules have never really worked out for me.” –Craig Ferguson Two […]
If stars, planets, and biological processes are so common in the Universe, then where is everyone? “If the Universe Is Teeming with Aliens… Where Is Everybody?”–Stephen Webb As egocentric as […]
There appears to be a bizarre stigma around people – especially women – who voluntarily decide not to procreate.
When all the galaxies, stars, gas, dust, dark matter and all the other forms of matter and radiation are summed together, its energy still pales in comparison to dark energy. […]