Earth Sciences news

Global warming surpassed natural cycles in fueling 2005 hurricane season

Space & Earth / Earth Sciences

Jun 22, 2006 | 3.8 / 5 (369) | 0

Global warming accounted for around half of the extra hurricane-fueling warmth in the waters of the tropical North Atlantic in 2005, while natural cycles were only a minor factor, according to a new analysis ...

3-D model shows big body of water in Earth's mantle

Space & Earth / Earth Sciences

Feb 08, 2007 | 4.5 / 5 (276) | 0

A seismologist at Washington University in St. Louis has made the first 3-D model of seismic wave damping — diminishing — deep in the Earth's mantle and has revealed the existence of an underground water reservoir ...

Climate change odds much worse than thought: New analysis shows warming could be double previous estimates

Space & Earth / Earth Sciences

May 19, 2009 | 4.3 / 5 (177) | 93

(PhysOrg.com) -- The most comprehensive modeling yet carried out on the likelihood of how much hotter the Earth’s climate will get in this century shows that without rapid and massive action, the problem will ...

Largest Ever Killer Crater Found Under Ice in Antarctica

Space & Earth / Earth Sciences

Jun 02, 2006 | 4.9 / 5 (123) | 0

Planetary scientists have found evidence of a meteor impact much larger and earlier than the one that killed the dinosaurs -- an impact that they believe caused the biggest mass extinction in Earth's history.

Sea Level Rise Due to Global Warming Poses Threat to New York City

Space & Earth / Earth Sciences

Mar 13, 2009 | 4.3 / 5 (138) | 34

(PhysOrg.com) -- Global warming is expected to cause the sea level along the northeastern U.S. coast to rise almost twice as fast as global sea levels during this century, putting New York City at greater ...

New simulation shows consequences of a world without Earth's natural sunscreen (w/Video)

Space & Earth / Earth Sciences

Mar 19, 2009 | 4.5 / 5 (119) | 7

(PhysOrg.com) -- The year is 2065. Nearly two-thirds of Earth's ozone is gone -- not just over the poles, but everywhere. The infamous ozone hole over Antarctica, first discovered in the 1980s, is a year-round ...

'Calm before storm' may foreshadow climatic tipping point

Space & Earth / Earth Sciences

Sep 17, 2008 | 3.6 / 5 (137) | 63

(PhysOrg.com) -- Abrupt climate change has occurred on earth many times over the past millions of years. Climate scientists hypothesize that these sharp transitions may be caused when the earth system reaches ...

Jupiter's Moon Europa Has Enough Oxygen For Life

Space & Earth / Earth Sciences

Oct 16, 2009 | 4.8 / 5 (94) | 42

New research suggests that there is plenty of oxygen available in the subsurface ocean of Europa to support oxygen-based metabolic processes for life similar to that on Earth. In fact, there may be enough ...

Statistics experts reject global cooling claims

Space & Earth / Earth Sciences

Oct 26, 2009 | 4.6 / 5 (92) | 23

(AP) -- Have you heard that the world is now cooling instead of warming? You may have seen some news reports on the Internet or heard about it from a provocative new book.

Cuts in greenhouse gas emissions would save Arctic ice, reduce sea level rise

Space & Earth / Earth Sciences

Apr 14, 2009 | 4.6 / 5 (88) | 15

The threat of global warming can still be greatly diminished if nations cut emissions of heat-trapping greenhouse gases by 70 percent this century, according to a new analysis. While global temperatures would ...

Titan's surface organics surpass oil reserves on Earth

Space & Earth / Earth Sciences

Feb 13, 2008 | 4.7 / 5 (85) | 13

Saturn’s orange moon Titan has hundreds of times more liquid hydrocarbons than all the known oil and natural gas reserves on Earth, according to new Cassini data. The hydrocarbons rain from the sky, collecting ...

Catastrophic sea levels 'distinct possibility' this century: study

Space & Earth / Earth Sciences

Apr 15, 2009 | 4.4 / 5 (89) | 25

A breakthrough study of fluctuations in sea levels the last time Earth was between ice ages, as it is now, shows that oceans rose some three meters in only decades due to collapsing ice sheets.

Comet May Have Exploded Over North America 13,000 Years Ago

Space & Earth / Earth Sciences

Aug 15, 2007 | 4.7 / 5 (83) | 0

New scientific findings suggest that a large comet may have exploded over North America 12,900 years ago, explaining riddles that scientists have wrestled with for decades, including an abrupt cooling of much ...

Increasing carbon dioxide and decreasing oxygen make it harder for deep-sea animals to 'breathe'

Space & Earth / Earth Sciences

Apr 17, 2009 | 4.8 / 5 (78) | 7

(PhysOrg.com) -- New calculations made by marine chemists from the Monterey Bay Aquarium Research Institute (MBARI) suggest that low-oxygen "dead zones" in the ocean could expand significantly over the next ...

Planet Earth may have 'tilted' to keep its balance

Space & Earth / Earth Sciences

Aug 25, 2006 | 4.5 / 5 (82) | 0

Imagine a shift in the Earth so profound that it could force our entire planet to spin on its side after a few million years, tilting it so far that Alaska would sit at the equator. Princeton scientists have ...