Save
Email
Print
Share
RSSBrowse News Stories
491 to 500 of 2,364 stories
view headlines only
-
Billion-Year-Old Piece of North America Traced Back to Antarctica
August 8, 2011 — An international team of researchers has found the strongest evidence yet that parts of North America and Antarctica were connected 1.1 billion years ago, long before the supercontinent Pangaea ... > full story -
NASA's NPP Satellite Completes Comprehensive Testing
August 8, 2011 — The NASA National Polar-orbiting Operational Environmental Satellite System Preparatory Project has successfully completed its most comprehensive end-to-end compatibility test of the actual satellite ... > full story -
New Field of Hydrothermal Vents Discovered Along the Mid-Atlantic Ridge
August 4, 2011 — Oceanographers have discovered a previously uncharted field of hydrothermal vents along the mid-Atlantic ridge – the first to be explored north of the Azores. Researchers studied an area 3,000 ... > full story -
Simulated Atmosphere Research to Help NASA Interpret Data from Juno Mission to Jupiter
August 3, 2011 — In August of 2016, when NASA's Juno Mission begins sending back information about the atmosphere of the planet Jupiter, research done by engineers using a 2,400-pound pressure vessel will help ... > full story -
A Hot Topic: Radioactive Decay Is Key Ingredient Behind Earth's Heat, Research Shows
August 2, 2011 — Nearly half of the Earth's heat comes from the radioactive decay of materials inside, according to ... > full story -
The Last Great Wilderness: Human Impact on the Deep Sea
August 1, 2011 — Over 20 deep-sea experts participating in the Census of Marine Life project SYNDEEP conducted a semi-quantitative analysis of the most important anthropogenic impacts that affect deep-sea habitats at ... > full story -
Ancient Tides Quite Different from Today -- Some Dramatically Higher, Some Lower
August 1, 2011 — The ebb and flow of the ocean tides, generally thought to be one of the most predictable forces on Earth, are actually quite variable over long time periods, in ways that have not been adequately ... > full story -
Near-Earth Object Impacts
Asteroids, Comets and Meteors
Astronomy
Earth Science
Geomagnetic Storms
Geology
Avoiding Nemesis: Does Impact Rate for Asteroids and Comets Vary Periodically With Time?
August 1, 2011 — Is Earth more likely or less likely to be hit by an asteroid or comet now as compared to, say, 20 million years ago? Several studies have claimed to have found periodic variations, with the ... > full story -
Asteroids, Comets and Meteors
NASA
Space Exploration
Near-Earth Object Impacts
Solar System
Earth Science
NASA's WISE Finds Earth's First 'Trojan' Asteroid
July 27, 2011 — Astronomers studying observations taken by NASA's Wide-field Infrared Survey Explorer (WISE) mission have discovered the first known "Trojan" asteroid orbiting the sun along with ... > full story -
Reservoirs of Ancient Lava Shaped Earth
July 27, 2011 — Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New ... > full story
Search ScienceDaily
Number of stories in archives: 140,690
more 
