
Early Universe Explorer Looks for Answers [Video]
A co-designer of an experiment that might have confirmed gravitational waves isn't bothered by criticism that cosmic dust may account for his results

Early Universe Explorer Looks for Answers [Video]
A co-designer of an experiment that might have confirmed gravitational waves isn't bothered by criticism that cosmic dust may account for his results

Supernova Reveals Origins of Universe's Dust
Cosmic dust is crucial to the birth of stars and planets, but how so much of it came to be present in the young universe has been a mystery


Earth's Magnetic Field Flip Could Happen Sooner Than Expected
Changes measured by the Swarm satellite show that our magnetic field is weakening 10 times faster than originally predicted, especially over the Western Hemisphere

Black Hole Fireworks Mark 4th of July
Theoretical physicist Carlo Rovelli, one of the creators of loop quantum gravity, and his collaborator Hal Haggard have just come out with a new paper on black holes.

Triple Black Hole System Found in Distant Galaxy
A galaxy four billion light-years from us was has three supermassive black holes at its center, with two in a tight formation. Clara Moskowitz reports

Giant Bubbles Tower over the Milky Way
Newly discovered lobes stretch tens of thousands of light-years above and below the Milky Way's disk. Where they come from remains a mystery

The First Indirect Detection of Dark Matter
Mysterious light at the center of the milky way could be our first look at dark particles

What a Failed Supernova Looks Like

Spacecraft Sneaks Up on a "Sweaty" Comet
Over the coming month the European Space Agency’s (ESA) Rosetta mission will fire its main engines no less than eight times to tweak its interplanetary intercept course with Comet Churyumov-Gerasimenko; eventually sidling up to the 4 kilometer wide cometary nucleus at about 7.9 meters per second in early August.

Dwarf Galaxies Really Cooking with Gas
The smallest galaxies in the universe gave rise to an unexpectedly large proportion of stars. Karen Hopkin reports

"Extremely Large Telescope" Breaks Ground
The European Southern Observatory broke ground June 19th to build the world's largest telescope atop the Cerro Armazones mountain in Chile. Clara Moskowitz reports

If Spacetime Were a Superfluid, Would It Unify Physics—or Is the Theory All Wet?
Thinking of space and time as a liquid might help reconcile quantum mechanics and relativity