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Oct 31, 2010

Antarctic Peninsula Headed into Spring

While the Northern Hemisphere is headed toward winter, the Antarctic Peninsula's ice has begun melting with the onset of spring. This Nov. 15 image from NASA's Terra satellite caught this rare, nearly cloud-free view of the northern tip of the Antarctic Peninsula, as the sea ice began to melt. The...

Oct 31, 2010

Nevado Coropuna: Tallest Mountain in Peru

The tallest volcanic peak in Peru is aptly named Nevado (the Spanish word for snowy) Coropuna (the Quechua term for roughly shrine on the plateau), as the volcano is tipped with ice deposits and has long been considered a sacred mountain by locals. Nevado Coropuna is not a typical stratovolcano....

Oct 31, 2010

Child of Krakatau Is Still Smoking

Throughout the summer and fall of this year, the volcano Anak Krakatau has erupted hundreds of times a day. But by Nov. 17, when NASA's Earth Observing-1 satellite took this image, activity at the volcano had started to slow at the remnant of one of the most powerful volcanic eruptions...

Oct 31, 2010

Russia's Korean Pine Logging Ban to Help Save Siberian Tigers

The Russian government has added Korean pine to its list of trees that are off-limits to timber companies, a move hailed by conservation groups trying to save the planet's dwindling wild tiger population. Korean pines are a favored food for wild boar, which are key prey for the few Siberian...

Sep 30, 2010

Photos: Amazing Caves Around the World

Lilburn Cave, Sequoia National Park, California (Image credit: Dave Bunnell/Under Earth Images/www.underearth.us.) Stashed away in Sequoia National Park are over 240 caves with maybe hundreds more undiscovered. One of the most amazing is Lilburn Cave, a marble labyrinth and California's deepest cave at over 20 miles (32 kilometers). More than...

Sep 30, 2010

New Sensors Take Yellowstone Geysers' Temperatures

A new sensor network installed in Yellowstone National Park this summer is giving scientists and the public real-time temperature readings from geysers and hot springs in the park's Norris Geyser Basin. Ten new, radio-equipped sensors were installed at different spots within the geyser basin, recording temperatures within runoff channels from...

Sep 30, 2010

Hurricane Season Not Over Yet: Subtropical Storm Otto Forms

Earlier this afternoon (Oct. 6), a subtropical depression that had been lurking to the east of the Caribbean developed into a subtropical storm now dubbed Otto. Otto makes the 15th named storm of the 2010 Atlantic hurricane season. Named storms include tropical storms and hurricanes. Otto is a little different...

Sep 30, 2010

New Deep-Sea Hydrothermal Vents Discovered in Middle of Atlantic

An area of hydrothermal vents has been discovered deep below the sea in the middle of the Atlantic Ocean. The discovery of the vents, which lie nearly 10,000 feet (3,000 meters) below the ocean surface, was a surprise to scientists as the area in which they were found, about 300...

Sep 30, 2010

Creatures of the Frozen Deep: Antarctica's Sea Life

Ice fish (Image credit: British Antarctic Survey.) This ghostly-looking fish has no red blood cells. Glycerol in its blood acts as antifreeze, allowing the fish to stay alive in the frigid Antarctic conditions. Sea Spider (Image credit: British Antarctic Survey.) Arachnophobes beware: More species of sea spider are found around...

Sep 30, 2010

What's So Special About the Date 10/10/10?

On 07/07/07, couples ran to wedding chapels, and 08/08/08 was considered especially auspicious by the Chinese. Then Sept. 9, 2009 was heralded for its mathematical symmetry. Those dates signaled the end of repeating, single-digit dates, at least for another 90 years. Which begs the question: Is there anything special about...

Sep 30, 2010

Surprises Revealed in Wake of Massive Haiti Quake

Identifying the fault responsible for Haiti's massive Jan. 12 earthquake seemed like an open-and-shut case After the temblor, the well-known Enriquillo fault was quickly blamed, but new data reveal a more complicated picture. The magnitude-7.0 earthquake involved not one, but three faults, which sent tsunami waves crashing onto shore by...

Sep 30, 2010

Paula Becomes Hurricane in Caribbean

Tropical Storm Paula strengthened into Hurricane Paula today (Oct. 12), becoming the ninth hurricane this year. Paula has maximum wind speeds of 75 mph (120 kph) -- a Category 1 on the Saffir-Simpson scale of hurricane strength -- and poses a threat to the eastern Yucatan peninsula and western Cuba....

Sep 30, 2010

Tsunamis Send Mysterious Waves into Atmosphere

Tsunamis leave a destructive and often deadly stamp on land, but they also make a surprising and poorly understood impression high above the Earth. Now scientists are turning their gaze upward in the hunt for signs of these as-yet mysterious atmospheric gravity waves generated by tsunamis, in an effort to...

Sep 30, 2010

Mapping History: U.S. Marks Civil War's 150th with Historical Collection

In honor of the 150th anniversary of the Civil War in 2011, the National Atmospheric and Oceanic Administration (NOAA) has put together a historical collection of maps and documents prepared by the U.S. Coast Survey during the war. The almost 400-piece collection, called Charting a More Perfect Union, will be...

Sep 30, 2010

Fish Discovered 4.5 Miles Deep in Ocean

A new fish species has been discovered in a deep area of the ocean previously thought to be devoid of fish. Researchers uncovered the new species of snailfish a bizarre, transparent-looking creature with tiny dots in place of eyes and wide, fan-like fins an astonishing 23,000 feet (7,000 meters) below...