NASA’s quest for signs of life on Mars got a huge boost in August when Curiosity landed on the Red Planet.
Tag » NASA
October 10, 2012
August 6, 2012
When he’s on Earth, Don Pettit dreams about space. But when he’s in space, he dreams about walking on Earth. “Dreams may have something to do with humans never being satisfied, which is why we go exploring in the first place,” he says. If there’s a gene for the urge to explore new worlds, Pettit […]
February 1, 2011
If you separate predators from their prey, you get more prey. Now that simple relationship has been used to explain one of the most important annual events in the ocean: the North Atlantic spring phytoplankton bloom. Since the 19th century, oceanographers have sought to explain its origins and have settled on the wintertime mixing of […]