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Space & Earth science news 2345

Deadlines set for designating polar bear habitat

October 07, 2008 | User rating: not shown ( 2 vote(s) ) | User comments: 6

(AP) -- The federal government will designate "critical habitat" for polar bears off Alaska's coast, a decision that could add restrictions to future offshore petroleum exploration or drilling.


Research center to free chemistry from Earth's bonds

October 08, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

A new research center combining the tools of chemistry and astronomy will use the unique laboratory of interstellar space to free the study of basic chemistry from the restrictive bonds of Earth.


Researcher investigates ancient geology to understand human development, climate change

October 03, 2008 | User rating: 4 / 5 after 8 vote(s) | No comments yet

(PhysOrg.com) -- To figure out how ancient humans adapted to their environment and constructed civilizations, you need to know the environment in which they lived -- including climate change over thousands of years.


NASA study finds rising Arctic storm activity sways sea ice, climate

October 06, 2008 | User rating: 3.7 / 5 after 15 vote(s) | User comments: 3

A new NASA study shows that the rising frequency and intensity of arctic storms over the last half century, attributed to progressively warmer waters, directly provoked acceleration of the rate of arctic sea ice drift, long ...


Arctic sea ice hits second-lowest extent, likely lowest volume

October 02, 2008 | User rating: 2.8 / 5 after 30 vote(s) | User comments: 75

Arctic sea ice extent during the 2008 melt season dropped to the second-lowest level since satellite measurements began in 1979, reaching the lowest point in its annual cycle of melt and growth on Sept. 14, ...


'Little bang' triggered solar system formation

October 02, 2008 | User rating: 4.5 / 5 after 21 vote(s) | User comments: 1

For several decades, scientists have thought that the Solar System formed as a result of a shock wave from an exploding star—a supernova—that triggered the collapse of a dense, dusty gas cloud that contracted ...


The hibernating stellar magnet: First optically active magnetar-candidate discovered

September 24, 2008 | User rating: 4.6 / 5 after 48 vote(s) | User comments: 17

Astronomers have discovered a most bizarre celestial object that emitted 40 visible-light flashes before disappearing again. It is most likely to be a missing link in the family of neutron stars, the first ...


First detection of magnetic field in distant galaxy produces a surprise

October 01, 2008 | User rating: 4.4 / 5 after 22 vote(s) | User comments: 7

Using a powerful radio telescope to peer into the early universe, a team of California astronomers has obtained the first direct measurement of a nascent galaxy's magnetic field as it appeared 6.5 billion ...


Study Pushes Appearance of Northern Hemisphere Ice Sheets Back By 22 Million Years

October 02, 2008 | User rating: 4.3 / 5 after 10 vote(s) | User comments: 1

(PhysOrg.com) -- Climatologist Robert DeConto of the University of Massachusetts Amherst and colleagues at four institutions are reporting in the Oct. 2 issue of the journal Nature that their latest climate model of the Northern ...


Spotless Sun: Blankest Year of the Space Age

October 01, 2008 | User rating: 4.5 / 5 after 22 vote(s) | User comments: 2

Astronomers who count sunspots have announced that 2008 is now the "blankest year" of the Space Age.


The James Webb Space Telescope model is flying to Germany

October 08, 2008 | User rating: not shown ( 1 vote(s) ) | No comments yet

The model of the James Webb Space Telescope has been making a lot of "orbits" around the world, and is now slated to "land" at the Deutsches Museum in Munich, Germany from October 13-28, 2008.


A Star That Bursts, Blinks and Disappears

September 30, 2008 | User rating: 4.7 / 5 after 43 vote(s) | User comments: 6

(PhysOrg.com) -- "Twinkle, twinkle little star" goes the nursery rhyme. Now, astronomers are reporting on a strange case where one of the littlest of stars "twinkled" with gamma rays, X-rays, and light -- ...


Paleozoic 'sediment curve' provides new tool for tracking sea-floor sediment movements

October 02, 2008 | User rating: not shown ( 3 vote(s) ) | No comments yet

As the world looks for more energy, the oil industry will need more refined tools for discoveries in places where searches have never before taken place, geologists say.


Potentially toxic flame retardants highest in California households

October 06, 2008 | User rating: 4.2 / 5 after 6 vote(s) | No comments yet

In what may be an unintended consequence of efforts to make furniture safer and less flammable, residents of California have blood levels of potentially toxic flame retardants called PBDEs at levels nearly ...


Future looks bleak for 1 of world's smallest seal species

October 06, 2008 | User rating: not shown ( 2 vote(s) ) | No comments yet

One of the smallest seals – the Caspian - has joined a growing list of mammal species in danger of extinction.Scientists from the University of Leeds together with international partners have documented the disastrous decline ...


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