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Ice clouds put Mars in the shade
Until now, Mars has generally been regarded as a desert world, where a visiting astronaut would be surprised to see clouds scudding across the orange sky. However, new results show that the arid planet possesses high-level clouds that are sufficiently dense to cast a shadow on the surface.   view more (2008-01-17)

New research finds some wood floor finishes are a likely source of PCB exposure
A case study to be published in the online open access journal Environmental Health suggests that old wood floor finishes in some homes may be an overlooked source of exposure to the now banned environmental pollutants polychlorinated biphenyls (PCBs).   view more (2008-01-17)

Math Models Snowflakes
Three-dimensional snowflakes can now be grown in a computer using a program developed by mathematicians at UC Davis and the University of Wisconsin-Madison.   view more (2008-01-17)

Supernova remnants dance in the LMC
The Gemini South Multi-Object Spectograph (GMOS) recently captured a dramatic image of a vast cloud complex named DEM L316 located in the Large Magellanic Cloud.   view more (2008-01-11)

Fighting pollution the poplar way: Trees to clean up Indiana site
Purdue University researchers are collaborating with Chrysler LLC in a project to use poplar trees to eliminate pollutants from a contaminated site in north-central Indiana.   view more (2008-01-11)

2 unusual older stars giving birth to second wave of planets
Hundreds of millions - or even billions - of years after planets would have initially formed around two unusual stars, a second wave of planetesimal and planet formation appears to be taking place, UCLA astronomers and colleagues believe.   view more (2008-01-10)

Electric sand findings could lead to better climate models
Wind isn't acting alone in the geological process behind erosion, sand dunes and airborne dust particles called aerosols.   view more (2008-01-08)

Red dust in planet-forming disk may harbor precursors to life
Astronomers at the Carnegie Institution have found the first indications of highly complex organic molecules in the disk of red dust surrounding a distant star.   view more (2008-01-04)

U of M physicist reads the history of the solar system in grains of comet dust
Four years ago, NASA's Stardust spacecraft chased down a comet and collected grains of dust blowing off its nucleus. When the spacecraft Comet Wild-2 returned, comet dust was shipped to scientists all over the world, including University of Minnesota physics professor Bob Pepin.   view more (2008-01-04)

Earliest Stage of Planet Formation Dated
UC Davis researchers have dated the earliest step in the formation of the solar system -- when microscopic interstellar dust coalesced into mountain-sized chunks of rock -- to 4,568 million years ago, within a range of about 2,080,000 years.   view more (2007-12-20)

Tiny dust particles from Asian deserts common over western United States
It has been a decade since University of Washington scientists first pinpointed specific instances of air pollution, including Gobi Desert dust, traversing the Pacific Ocean and adding to the mix of atmospheric pollution already present along the West Coast of North America.   view more (2007-12-13)

Solving solar system quandaries is simple: Just flip-flop the position of Uranus and Neptune
Quick: What's the order of the planets in the solar system? Need a little help? Maybe the following mnemonic rings a bell: "My Very Educated Mother Just Served Up Nine Pizzas." It's useful for remembering the order of the planets today, but it wouldn't have been as useful in the past, and... view more (2007-12-12)

M. D. Anderson research links diet, gardening and lung cancer risk
By simply eating four or more servings of green salad a week and working in the garden once or twice a week, smokers and nonsmokers alike may be able to substantially reduce the risk of developing lung cancer, say researchers at The University of Texas M. D. Anderson Cancer Center.   view more (2007-12-10)

Iowa State engineer develops laser technologies to analyze combustion, biofuels
Let's say a fuel derived from biomass produces too much soot when it's burned in a combustion chamber designed for fossil fuels. How can an engineer find the source of the problem? It originates, after all, in the flame zone of a highly turbulent combustion chamber. That's not exactly an easy place... view more (2007-12-06)

Youngest solar systems detected by U-M astronomers
Astronomers at the University of Michigan have found what are believed to be some of the youngest solar systems yet detected.   view more (2007-11-30)

Astronomers find stellar cradle where planets form
Astronomers at the University of Illinois have found the first clear evidence for a cradle in space where planets and moons form.   view more (2007-11-30)

Planets forming in Pleiades star cluster, astronomers report
Rocky terrestrial planets, perhaps like Earth, Mars or Venus, appear to be forming or to have recently formed around a star in the Pleiades ("seven sisters") star cluster, the result of "monster collisions" of planets or planetary embryos.   view more (2007-11-16)

Hubble zooms in on heart of mystery comet
The NASA/ESA Hubble Space Telescope has probed the bright core of Comet 17P/Holmes which, to the delight of sky watchers, mysteriously brightened by nearly a million-fold in a 24-hour period beginning October 23, 2007.   view more (2007-11-15)

Hubble sees the graceful dance of 2 interacting galaxies
A pair of galaxies, known collectively as Arp 87, is one of hundreds of interacting and merging galaxies known in our nearby Universe. Arp 87 was originally discovered and catalogued by astronomer Halton Arp in the 1970s. Arp's Atlas of Peculiar Galaxies is a compilation of astronomical photographs... view more (2007-10-31)

Natural gas nanotech
Nanotechnology could revolutionize the natural gas industry across the whole lifecycle from extraction to pollution reduction or be an enormous missed opportunity, claim two industry experts writing in Inderscience's International Journal of Nanotechnology.   view more (2007-10-31)

Time spent in car drives up air pollution exposure
The daily commute may be taking more of a toll than people realize. A new study by researchers at the University of Southern California (USC) and the California Air Resources Board found that up to half of Los Angeles residents' total exposure to harmful air pollutants occurs while people are... view more (2007-10-31)

Scientists ramp up ability of poplar plants to disarm toxic pollutants
Scientists since the early '90s have seen the potential for cleaning up contaminated sites by growing plants able to take up nasty groundwater pollutants through their roots. Then the plants break certain kinds of pollutants into harmless byproducts that the plants either incorporate into their... view more (2007-10-16)

Astronomers get their hands dirty as they lift the veil on galactic dust
There is more to a grain of dust than meets the eye, at least for astronomers as they attempt to probe deeper into distant galaxies.   view more (2007-10-15)

The industrial space age
The Soviet Union successfully launched Sputnik I fifty years ago on October 4th, marking the beginning of our use of space for political, military, technological, and scientific ends.   view more (2007-10-05)

APL Astronomer Spies Conditions 'Just Right' for Building an Earth
An Earth-like planet is likely forming 424 light-years away in a star system called HD 113766, say astronomers using NASA's Spitzer Space Telescope.   view more (2007-10-04)
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