A larger-than-Rushmore size granite memorial to the famous Sioux warrior has been under construction since 1948, but is that really what the Sioux residents in the area need?
Hands-off care of the forests around Mount Rushmore may have created a sweet spot for an ancient enemy of the Ponderosa pine — the mountain pine beetle.
Jacob Zuma says the World Cup can score an economic goal for his country, but a collection of international astronomers meeting in his backyard have a starry-eyed yet down-to-earth suggestion for the developing world.
Understanding bears' success at dozing through foodless winters may help human medical care or even impact interstellar flight.
Floating solar cells far above Earth and beaming the energy to the grid has shifted from loony to funded.
A European satellite scheduled to launch today will provide hard data on rising seas.