Why did a $72 million mission to study water on the moon fail so soon after launch? A new NASA report has the answer. Thursday marked one year ago today, a NASA probe called Lunar Trailblazer lifted ...

Thursday marked one year ago today, a NASA probe called Lunar Trailblazer lifted off from Kennedy Space Center in Florida. Its mission was to map the water on the moon, but a day after the launch, ...

Joe Palca is a science correspondent for NPR. Since joining NPR in 1992, Palca has covered a range of science topics — everything from biomedical research to astronomy. He is currently focused on the ...