Aerocapture is a 'free lunch' in space exploration

When spacecraft return to Earth, they don't need to shed all their velocity by firing retro-rockets. Instead, they use the atmosphere as a brake to slow down for a soft landing. Every planet in the solar system except Mercury ...

Up a creek without paddle? Researchers suggest 'gunwale bobbing'

Stand up in a canoe and you'll probably find yourself in the water before too long. Jump up and down on the upper edges of the sides of the canoe, and you'll likely end up in the drink as well. But get the balance right and ...

Researchers find a new way to measure flying baseballs

As the Major League Baseball season gets underway, a burning question for many fans of the third most popular sport in the United States is how many homeruns they will see this season. 

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