Dark Matter

Ask Ethan: Is Dark Matter The 'Aliens' Of Astrophysics?

Despite our knowledge of the laws of physics, and the successes of the Standard Model and General Relativity, there are a number of observations out there in the Universe that still lack a complete explanation. From star formation to high-energy cosmic rays, the Universe still has its mysteries. …

Universe

Swabbing dolphin mouths reveals bacterial 'dark matter' - Futurity

Inside dolphin mouths, researchers have found two never-before-seen groups of bacteria—the equivalent of finding "the dark matter of the biological …

Universe

Near-Earth Antimatter Not From Nearby Pulsars, Could Have Dark Matter Origins

Even though the total amount of antimatter in the universe today is far less than the amount of matter (if they were the same, the universe wouldn’t …

World News

What Is Dark Matter? Another Candidate Particle Ruled Out By Researchers

Everything we can see — from our own reflection in the mirror to the farthest reaches of the universe glimpsed by our telescopes — makes up only a …

Universe

Deathblow Dealt to Dark Matter Disks

New data tracking the movements of millions of Milky Way stars have effectively ruled out the presence of a “dark disk” that could have offered …

Universe

Excess positrons could come from dark matter after all

The mysterious excess of high-energy positrons detected by the PAMELA satellite does not come from the two nearby pulsars, according to an …

Physics

Excess antielectrons aren’t from nearby dead stars, study says

New observations of the whirling cores of dead stars have deepened the mystery behind a glut of antimatter particles raining down on Earth from space.<p>…

Universe

Zwicky Transient Facility Telescope, With 576-Megapixel Camera, Sees 'First Light'

A group of scientists from California Institute of Technology (Caltech) and the University of Washington has modified an old telescope to create a …

World News

Simulating the universe using Einstein’s theory of gravity may solve cosmic puzzles

If the universe were a soup, it would be more of a chunky minestrone than a silky-smooth tomato bisque.<p>Sprinkled with matter that clumps together due …

Space Science

Galactic Glow, Thought to Be Dark Matter, Now Points to Hidden Pulsars

A number of high-energy anomalies raised hopes that astrophysicists had seen their first direct glimpses of dark matter. New studies suggest a …

Universe

Dark Matter Makes Up a Quarter of the Universe, But What Is It?

Until the 1960s, scientists thought ordinary matter and radiation made up everything in the universe.Then a young physicist named Vera Rubin made a …

Physics

Why the Bullet Cluster Proves Dark Matter Exists

NASA/CXC/CfA/M.Markevitch et al.; Lensing Map: NASA/STScI; ESO WFI; Magellan/U.Arizona/D.Clowe et al.; Optical: NASA/STScI; …

Universe

Scientists Finally Found The Ordinary Matter Missing From The Universe

The universe is full of stuff we can't detect. Dark energy and dark matter — named for their mysterious natures — make up most of that stuff, but …

Universe

The Bullet Cluster Proves Dark Matter Exists, But Not For The Reason Most Physicists Think

The above image, a composite of optical data, X-ray data, and a reconstructed mass map, is one of the most famous and informative ones in all of astronomy. Known as the Bullet Cluster, it showcases two galaxy clusters that have recently collided. The individual galaxies present within the clusters, …

Universe

GPS satellites “the largest dark matter detector ever built” | Cosmos

In an effort to solve one of modern physics’ deepest mysteries, scientists have found a way to use GPS satellites as an exquisitely sensitive …

Universe

Scientists searching for dark matter rule out another hiding place for the elusive substance

Physicists can't find the key to the universe, which turns out to be just as aggravating as not being able to find the key to the car. But they're …

Universe

SLAC knows how the universe works. Now it's targeting your needs

The vast SLAC machine near Stanford is for probing the mysteries of matter. A $1 billion upgrade could add more practical breakthroughs, too.<p>You could be forgiven for thinking the SLAC National Accelerator Laboratory's glory days are long over.<p>The particle accelerator, originally called the …

Physics

We still can't identify the "mysterious substance" that's a vast majority of the cosmos

The past few decades have ushered in an amazing era in the science of cosmology. A diverse array of high-precision measurements has allowed us to …

Universe

Physicists Are Running Out of Places to Look For Mysterious Dark Matter Particles

Also possible: they don't exist.<p>Dark matter continues to be an itch particle physicists just can't scratch. Whatever is tugging at the Universe's …

Universe

Can Sapphire Crystals Capture Exotic Dark Matter?

Physicists often build experiments looking for a specific <i>something</i>. Maybe that something consists of dark matter, new kinds of particles, or new ways …

Universe

7 Major Experiments That Still Haven’t Found What They’re Looking For - Facts So Romantic

Being an experimental scientist can sometimes seem like a thankless task. You may be used to reading headlines about experiments that end up making …

Physics

An international celebration of dark matter

Nerd Nite SF<p>Berkeley Lab<p>Berkeley Lab<p>STFC<p>STFC<p>STFC<p>STFC<p>SLAC National Accelerator Laboratory<p>KIT<p>KIT<p>Helge Mundt, DESY<p>Helge Mundt, DESY<p>Helge Mundt, …

Universe

The Search for Dark Matter Just Took a Big Step Forward

New study of satellite data shows where we should look — and where we shouldn’t.<p><i>In brief:</i> A team of researchers from the University of Nevada, Reno, sifted through 16 years worth of satellite data on a hunt for dark matter. While their study turned up no evidence of the elusive substance, it does …

Science

Dark matter: The mystery substance in most of the universe

Most of all matter in the universe is invisible dark matter – between Earth and the edge of the observable universe<p>This piece originally appeared on The Conversation.<p>The past few decades have ushered in an amazing era in the science of cosmology. A diverse array of high-precision measurements has …

Universe

A Newfound Orangutan, Dark Matter Questions, and A Hole In A Pyramid by SciFri - Listen to music

Universe

We just moved one step closer to finally detecting dark matter

On the Hunt<p>Dark matter constitutes 85 percent of all matter in the universe, but despite the plethora of astrophysical evidence pointing toward its …

Universe

New Map of Dark Matter Puts the Big Bang Theory on Trial (Kavli Roundtable)

<i>Adam Hadhazy, writer and editor for The</i> <i>Kavli Foundation</i><i>, contributed this article to</i> <i>Space.com's Expert Voices: Op-Ed & Insights</i><i>.</i><p><i>The prevailing view</i> …

What Would Happen If You Became Dark Matter?

The human body consists of somewhere around 1028 particles, all bound together. The typical human has a mass of somewhere between 50 and 100 kilograms, and is largely confined to the surface of the Earth. Yet dark matter behaves very differently. It doesn’t interact with the nuclear or …

Universe

Can a superfluid helium detector help us finally find dark matter?

Although it makes up everything we see and touch around us, ordinary matter only accounts for about 15 percent of the mass of the universe. The other …

Universe

One step closer to defining dark matter, GPS satellite atomic clocks on the hunt

One professor who studies the earth and one who studies space came together in the pursuit to detect and define dark matter. They are one step …

Physics