Search Results for: Geology
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7,847 results for: Geology
- Earth
Continental clash cooled the climate
The collision between India and Asia set off events that caused long-term cooling in Earth’s climate, new research suggests.
By Sid Perkins - Paleontology
Dino feathers may have had earlier origin than thought
Researchers report that newly described dinosaur fossils suggest an ancient origin of feathers.
By Sid Perkins - Space
MESSENGER’s second pass
New studies detail the latest findings about Mercury from the MESSENGER spacecraft, including the discovery of the second largest crater known on the planet and a surprisingly strong interaction between the sun’s magnetic field and that of the planet.
By Ron Cowen - Earth
Sea-level history off the ice
For the first time, researchers have assembled a comprehensive record of how sea level varied between 542 million and 251 million years ago, more than doubling previous timelines for such fluctuations.
By Sid Perkins -
- Earth
When trees grew in Antarctica
Fossils of trees that grew in Antarctica millions of years ago suggest a growth pattern much different than modern trees.
By Sid Perkins - Planetary Science
New angles on Mercury
The NASA MESSENGER spacecraft completed its second flyby of Mercury, yielding crisp new images of a large swath of the planet not seen before.
- Space
Brines on Mars
Unusually high concentration of perchlorate salts found in Martian soil suggests that the Red Planet may harbor shallow, extremely briny oceans just below its surface. The existence of these brines may explain a host of puzzles on Mars.
By Ron Cowen - Life
Rock-climbing fish caught in evolution tug-of-war
Tall is good for dodging danger, but short is better for climbing waterfalls.
By Susan Milius - Anthropology
Peking Man fossils show their age
Scientists have pushed back the age of Peking Man, raising questions about whether Homo erectus trekked to eastern Asia in two separate migrations.
By Bruce Bower -
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Science Future for July 19, 2008
Upcoming events in science featured in July 19, 2008 issue of Science News.
By Science News