Science

Adelie Penguins In Danger

A new study says the population of Adelie penguins in the Antarctic could drop dramatically in population by 2099 due to climate change. Megan Cimino, who headed the study, explains why.

'Star Trackers' Help Juno Find Its Way

Space navigation is tricky. There's no up or down, no left or right, and no road signs. This device uses stars to help determine if a spacecraft is off course. It takes nifty pictures, too.