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Space & Earth science news 1234

Global climate models both agree and disagree with actual Antarctic data

May 07, 2008 | User rating: 2.7 / 5 after 14 vote(s) | User comments: 14

Scientists who compared recorded Antarctic temperatures and snowfall accumulation to predictions by major computer models of global climate change offer both good and bad news.


Did the solar system 'bounce' finish the dinosaurs?

May 02, 2008 | User rating: 4.5 / 5 after 47 vote(s) | User comments: 13

The sun’s movement through the Milky Way regularly sends comets hurtling into the inner solar system – coinciding with mass life extinctions on earth, a new study claims.


Major Arctic sea ice melt is expected this summer

May 02, 2008 | User rating: 3.4 / 5 after 23 vote(s) | User comments: 8

(AP) -- The Arctic will remain on thinning ice, and climate warming is expected to begin affecting the Antarctic also, scientists said Friday. "The long-term prognosis is not very optimistic," atmospheric scientist Jennifer ...


65-million-year-old asteroid impact triggered a global hail of carbon beads

May 05, 2008 | User rating: 4.4 / 5 after 38 vote(s) | User comments: 4

The asteroid presumed to have wiped out the dinosaurs struck the Earth with such force that carbon deep in the Earth's crust liquefied, rocketed skyward, and formed tiny airborne beads that blanketed the planet, ...


Fighting global warming — at the dinner table

May 05, 2008 | User rating: 3.4 / 5 after 14 vote(s) | User comments: 4

Substituting chicken, fish, or vegetables for red meat just once a week can help combat climate change — even more dramatically than buying locally sourced food, according to scientists in Pennsylvania who ...


A Super Solar Flare

May 07, 2008 | User rating: 4.2 / 5 after 11 vote(s) | User comments: 4

At 11:18 AM on the cloudless morning of Thursday, September 1, 1859, 33-year-old Richard Carrington—widely acknowledged to be one of England's foremost solar astronomers—was in his well-appointed private observatory. ...


NASA calls on APL to send a probe to the sun

May 02, 2008 | User rating: 4.2 / 5 after 17 vote(s) | User comments: 3

The Johns Hopkins University Applied Physics Laboratory is sending a spacecraft closer to the sun than any probe has ever gone - and what it finds could revolutionize what we know about our star and the solar ...


Climate link with killer cyclones spurs fierce scientific debate

May 06, 2008 | User rating: 3.3 / 5 after 11 vote(s) | User comments: 3

Climate scientists have begun to debate whether global warming is producing more powerful storms, after Nargis smashed into Myanmar -- brutally changing gear from a Category One to a Category Four cyclone ...


XMM-Newton discovers part of missing matter in the universe

May 06, 2008 | User rating: 4.6 / 5 after 64 vote(s) | User comments: 3

ESA’s orbiting X-ray observatory XMM-Newton has been used by a team of international astronomers to uncover part of the missing matter in the universe.


Amazon under threat from cleaner air

May 07, 2008 | User rating: 4.1 / 5 after 14 vote(s) | User comments: 2

The Amazon rainforest, so crucial to the Earth’s climate system, is coming under threat from cleaner air say prominent UK and Brazilian climate scientists in the leading scientific journal Nature.


Solar Variability: Striking a Balance with Climate Change

17 hours ago | User rating: 3.1 / 5 after 19 vote(s) | User comments: 2

The sun has powered almost everything on Earth since life began, including its climate. The sun also delivers an annual and seasonal impact, changing the character of each hemisphere as Earth's orientation ...


Baltic sea ice cover hits an all-time low: meteorologists

May 03, 2008 | User rating: 3.8 / 5 after 12 vote(s) | User comments: 1

The extent of ice covering the Baltic sea this winter reached an all-time low, since measurements began more than a century ago, Swedish meteorologists said.


GIOVE-B transmitting its first signals

May 07, 2008 | User rating: 4.4 / 5 after 14 vote(s) | User comments: 1

Following a successful launch on 27 April, GIOVE-B began transmitting navigation signals today. This is a truly historic step for satellite navigation since GIOVE-B is now, for the first time, transmitting ...


First-of-its-kind 14-country study ranks consumers according to environmental behavior

May 07, 2008 | User rating: 3.9 / 5 after 11 vote(s) | User comments: 1

The National Geographic Society and the international polling firm GlobeScan today unveiled a new mechanism for measuring and comparing individual consumer behavior as it relates to the environment. “Greendex™ ...


Vog - volcanic smog - kills plants, casts a haze over Hawaii

May 05, 2008 | User rating: 4.2 / 5 after 13 vote(s) | User comments: 1

(AP) -- For eight years, Tony and Sam Bayaoa have grown thousands of bright red, yellow and pink protea flowers on their farm. Then last month, Kilauea volcano opened a new vent and began spewing double the ...


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