Inexpensive chip-size satellites orbit Earth

A decade ago, while still a Ph.D. student at Cornell University, Zac Manchester imagined building chip-scale satellites that might work together to study Earth or explore space. On June 3, as NASA Ames Research Center announces ...

Not ready for SAT? Teen's Web site may be the answer

In the week leading to the most recent SAT college-admission exam, some 600 students logged on to the INeed APencil Web site. There, they reviewed lessons, quizzed themselves on grammar and quadratic equations and even took ...