NASA to launch newest Earth-observation satellite

(AP) -- NASA is set to launch its latest Earth-orbiting satellite on a $424 million mission to analyze airborne grit spewed by volcanoes, forest fires, smokestacks and tailpipes.

Traveling through the volcanic conduit

How much ash will be injected into the atmosphere during Earth's next volcanic eruption? Recent eruptions have demonstrated our continued vulnerability to ash dispersal, which can disrupt the aviation industry and cause billions ...

Researchers unearth the truth about volcanic ash

(PhysOrg.com) -- The dispersal of large ash plumes from the Eyjafjallajökull eruption in Iceland has generated widespread interest due largely to the impact on air transport and reports of ash-fall throughout the British ...

Small, mighty and mysterious: Researcher IDs atmospheric aerosols

(PhysOrg.com) -- There's a lot more to the atmosphere than air. With every breath, we inhale a nearly invisible mish mash of tiny particles known as aerosols. From droplets of water and trace gases like sulfuric acid to specks ...

'It smelled like sulfur:' Ash falls near Hawaii volcano

Hawaii residents covered their faces with masks after a volcano menacing the Big Island for weeks exploded, sending a mixture of pulverized rock, glass and crystal into the air in its strongest eruption of sandlike ash in ...

Volcanic ash proves inefficient cloud ice maker

When tons of ash spewed into the atmosphere from a 2010 Icelandic volcano it caused havoc for vacationers across Europe. But did it also dramatically change clouds? Researchers at Pacific Northwest National Laboratory found ...

Meet Kimberly Casey: Studying how debris influences glaciers

Kimberly Casey is a glaciologist who spends a fair amount of time in the office analyzing satellite data. But when she talks about her fieldwork on remote glaciers, one suspects she could do pretty well in a triathlon, too. ...

Image: Engine test with a cyclonic twist

Water forms an interesting cyclonic twist as it is intentionally sucked into the test engine of a U.S. Air Force C-17 transport aircraft during the VIPR project engine health monitoring tests conducted by NASA Dryden. The ...

Scientists to measure impact of volcanic ash on ocean biology

A team led by scientists from the National Oceanography Centre in Southampton, have today set sail from Govan in Scotland towards the region of the North Atlantic Ocean affected by ash from the Icelandic volcano eruption ...

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