Cosmology
Cosmology and particle physics face surprisingly similar challenges
Philosophy of science has built an industry around confirmation theory. But unprecedented methodological challenges are forcing philosophers to go back to the drawing-board<p>The Dark Energy Survey (DES) concluded its biannual Collaboration meeting at University of Chicago in mid-June. DES is one of …
Philosophy of ScienceAdventures in acoustic cosmology
A project that explores whether there is a musical equivalent to the curvature of spacetime will be presented on Thursday 6 July by Gavin Starks at …
PhysicsInside inflation: after the big bang
MASSACHUSETTS, 1981. A young physicist comes up with what seems to be an absurd idea: the universe went through a period of ultra-fast expansion just …
Space Science20 of the best Earth and space documentaries to watch on Netflix in 2017
Humans have been gazing up at the stars since before the dawn of civilization. We intrinsically seek to know the unknowable and discover the …
DocumentariesA New Angle on Two Spiral Galaxies for Hubble's 27th Birthday
<b>Hubble Celebrates Its Anniversary with a Spectacular Pair of Galaxies</b>When the Hubble Space Telescope launched aboard the Space Shuttle Discovery on …
AstronomyFirst 'Image' of the Dark Matter That Holds the Universe Together
For decades, scientists have tracked hints of a thread-like structure that ties together galaxies across the universe. Theories, computer models, and …
Dark MatterAliens, Very Strange Universes and Brexit — Martin Rees Q&A
<i>This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed &</i> …
UniverseCosmic web of 'dark matter bridges' link galaxies across the universe
First image of 'bridge' captured by Canadian astrophysicists.<p>Renaissance man Leonardo da Vinci once remarked: "Realize that everything connects to …
Dark MatterBeyoncé Gets Baby Name Ideas from Astrophysicist Neil deGrasse Tyson
Following the appearance of the pink moon Tuesday night, astrophysicist Neil deGrasse Tyson was feeling particularly inspired as he churned out several cosmic baby name ideas for Beyoncé's twins on a Twitter.<p>"Naming ideas for @Beyonce's twins, inspired by the universe...," Tyson began, as he kicked …
UniverseEinstein’s latest anniversary marks the birth of modern cosmology
<i>First of two parts</i>Sometimes it seems like every year offers an occasion to celebrate some sort of Einstein anniversary.In 2015, everybody lauded the …
PhysicsReshaping the Universe: VR Landscapes Explore Mind-Bending Geometry
Virtual reality can take you to some far-out places — mountaintops, distant cities and even fantastical game worlds. A team of artists and …
GeometryWhy Is Hydrogen the Most Common Element in the Universe?
<i>This story was updated April 4 at 12:24 p.m. EDT.</i><p>Hydrogen is the most common element in the universe, but why is that?<p>To answer this question, "we …
ChemistryAliens, very strange universes and Brexit – Martin Rees Q&A
<i>Martin Rees is Emeritus Professor of Cosmology and Astrophysics, at the University of Cambridge, the Astronomer Royal, a member of Britain’s House of</i> …
UniverseScientists offer a solution to the puzzle of the origin of matter in the universe
Most of the laws of nature treat particles and antiparticles equally, but stars and planets are made of particles, or matter, and not antiparticles, …
PhysicsConcordance cosmology without dark energy | Monthly Notices of the Royal Astronomical Society: Letters
According to the separate universe conjecture, spherically symmetric sub-regions in an isotropic universe behave like mini-universes with their own …
UniverseDark energy may not exist at all
Enigmatic ‘dark energy’, thought to make up 68% of the universe, may not exist at all, according to a Hungarian-American team. The researchers …
UniverseGravity may have saved the universe after the Big Bang
Physicists may now be able to explain why the universe did not collapse immediately after the Big Bang. Studies of the Higgs particle — discovered at …
UniverseOne of the biggest mysteries in science: why is the universe dominated by matter?
<b>Why the universe is dominated by matter today, instead of being comprised of equal parts matter and antimatter, is one of the most intriguing</b> …
UniverseFar Side Astronomy: Orbiting Telescope Would Use Moon as Shield
Out of darkness, there came the blazing light of the very first stars and galaxies in the universe — and the best place to look back at them might be …
AstronomyCan Dark Energy Kill Galaxies? - Issue 46: Balance
The universe is not just expanding; it’s accelerating. When cosmologists first realized this in 1998, it was alarming. The attractive gravitational …
UniverseA Smattering Of Cool Space And Physics Facts
<b>Let this blog post serve as a primer for your travels, fellow Futurist, as you prepare for…</b><p><b>SPACE: THE FINAL FRONTIER.</b><p>I’ve always been fascinated with …
SpaceA 3D Animation That Compares the Scale of the Smallest Known Particles to the Universe Itself
A 3D animation by Reigarw Comparisons measures the scale of the smallest known particles to the size of the universe itself, scaling up incrementally …
Dark MatterTraversing through space: What lies in the Universe?
<b>By Michael Strauss</b><p>As an astrophysicist, I am always struck by the fact that even the wildest science fiction stories tend to be distinctly human in …
UniverseIs there any such thing as nothing? In search of the cosmic void
The static of an old-style TV tuned to no channel is the best way to imagine it, James Owen Weatherall helpfully explains<p>Nothing will come of nothing, said Lear, because he wasn’t familiar with quantum physics. According to our current best theories, a region of space that contains nothing at all …
PhysicsVirtual Reality Poses the Same Riddles as the Cosmic Multiverse - Issue 46: Balance
On most days, we do not wake up anticipating that we may be suddenly thrust into the sky while popcorn shrimp rains down like confetti, as some guy …
UniverseCosmic dust opens window into dawn of the universe
Scientists say the light emitted from this dust likely traveled some 13.2 billion light-years to reach Earth.<p>March 8, 2017 —On bookshelves and TV …
AstronomyEvil Triumphs in These Multiverses, and God Is Powerless - Issue 46: Balance
The challenge that the multiverse poses for the idea of an all-good, all-powerful God is often focused on fine-tuning. If there are infinite …
Quantum MechanicsDoes time slow down because the universe is expanding at an accelerating rate?
If the universe is expanding at an accelerating rate, such that the galaxies' moving away from each other is accelerated, then time should also slow …
UniverseNew Evidence for the Strange Idea that the Universe Is a Hologram - Facts So Romantic
One of the great mysteries of modern cosmology is how our universe can be so thermally uniform—the vast cosmos is filled with the lingering heat of …
UniverseOscillons From Early Universe: Physicists Calculate Shape Of Long-Lost Signals | International Business Times
It is now widely accepted that the universe emerged about 13.8 billion years ago in a phenomenon we now call the Big Bang. Our current model of the …
Physics