"Rootless cones form when lava flows over wet or icy ground, causing it to boil and explode," said Dundas. "The region around ...

"Rootless cones form when lava ... "The Athabasca Valles area in particular is interesting because it is near the equator, where ice is not found near the surface at present," explained Dundas.

Image caption, ...you've done it! The sectors rearranged into the rectangle show the area of the curved surface of the cone = π × radius × slant length.

In November, Hemeria and CNES tested a first Balman from Kourou, the spaceport CNES operates in French Guiana. The 3-hr.

A stunning composite image, made up of three years' worth of satellite photos, shows the ancient lava of Libya's Haruj ...

The Dynamic Cone Penetrometer (DCP ... and developing predictive models based on empirical data. One significant area of recent research involves the development of statistical models that ...

Antelope Canyon, Arizona Antelope Canyon, situated near Page, Arizona, is a sight that seems straight out of a dream. This ...

These caterpillars carry a toxic chemical cocktail and Inquisition-like delivery implements—and their geographic range is ...

Alaska officials are preparing to hold a lease sale for geothermal exploration rights at Augustine Volcano, a 4,133-foot peak that forms its own cone-shaped island in the southern part of Cook Inlet.