Cosmology
Why is the Sky Dark at Night?
The Minute Physics folks have created another great video, this time explaining why the sky is dark at night. Although…
Gaia Mission Passes Vital Tests
Caption: Fully integrated Gaia payload module with nearly all of the multilayer insulation fabric installed. Credit: Astrium SAS Earlier this…
Effects of Einstein’s Elusive Gravitational Waves Observed
Two white dwarfs similar to those in the system SDSS J065133.338+284423.37 spiral together in this illustration from NASA. Credit: D.…
A Star’s Dying Scream May Be a Beacon for Physics
When a star suffered an untimely demise at the hands of a hidden black hole, astronomers detected its doleful, ululating…
Dark Galaxies Found from the Early Universe
Caption: This deep image shows the region of the sky around the quasar HE0109-3518, near the center of the image.…
Dark Matter Makes a Comeback
[/caption] Recent reports of dark matter's demise may be greatly exaggerated, according to a new paper from researchers at the…
Polar Telescope Casts New Light On Dark Energy And Neutrino Mass
[/caption] Located at the southermost point on Earth, the 280-ton, 10-meter-wide South Pole Telescope has helped astronomers unravel the nature…
Can “Warp Speed” Planets Zoom Through Interstellar Space?
[/caption]Nearly ten years ago, astronomers were stunned to discover a star that had been apparently flung from its own system…
Astronomers Witness a Web of Dark Matter
[/caption] We can't see it, we can't feel it, we can't even interact with it... but dark matter may very…
Guest Post: The Cosmic Energy Inventory
[/caption] Now that the old year has drawn to a close, it's traditional to take stock. And why not think…