NASA’s Curiosity Rover Measures Key Life Ingredient on Mars for First Time

African wild dogs may be caught in a phenological trap while trying to adapt to climate change. Despite shifting average birthing dates later to match the coolest temperatures in early winter, fewer pups survived because temperatures during their "denning period" increased over the same time period.

NASA Is on a Mission to Reclaim Lost Moondust. And Some Cockroaches

In Photos: After The ‘Alien Door’ On Mars More Weird New Images Are Being Sent Back From The Red Planet