Dark matter filament studied in 3-D for the first time

(Phys.org)—Astronomers using the NASA/ESA Hubble Space Telescope have studied a giant filament of dark matter in 3D for the first time. Extending 60 million light-years from one of the most massive galaxy clusters known, ...

NASA'S Terra Satellite Captures Ash Plume of Icelandic Volcano

(PhysOrg.com) -- The Eyjafjallajokull volcano in Iceland erupted Wednesday, April 14, for the second time this month. The volcano is still spewing ash into the air and the ash clouds are impacting air travel in Northern Europe.

NASA instruments image fireball over Bering Sea

On Dec. 18, 2018, a large "fireball—the term used for exceptionally bright meteors that are visible over a wide area—exploded about 16 miles (26 kilometers) above the Bering Sea. The explosion unleashed an estimated 173 ...

Winds of change strike Mars, too

Mysterious dark sand dunes around Mars' northern polar cap are shifting with the seasons, as carbon dioxide gas changes form and sparks landscape-altering avalanches, said a study published Thursday.

New metamaterial manipulates sound to improve acoustic imaging

Researchers from North Carolina State University and Duke University have developed a metamaterial made of paper and aluminum that can manipulate acoustic waves to more than double the resolution of acoustic imaging, focus ...

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