Following last summer's record minimum ice cover in the Arctic, current observations from ESA's Envisat satellite suggest that the extent of polar sea-ice may again shrink to a level very close to that of ...
(PhysOrg.com) -- From the location of NASA's Phoenix Mars Lander, above the Martian arctic circle, the sun does not set during the peak of the Martian summer.
The geysers of Yellowstone National Park owe their eistence to the "Yellowstone hotspot"--a region of molten rock buried deep beneath Yellowstone, geologists have found. But how hot is this "hotspot," and ...
Tropical Storm Gustav gathered punch as it churned toward Cuba and the United States Wednesday after lashing Haiti and the Dominican Republic with hurricane force winds and rain that killed 16 people.