How mothers support their babies’ microbiome with breast milk02:19
Mothers in any mammalian species are crucial for the growth and survival of their offspring. But recent studies show that human moms support the growth of not only their infants but possibly even another species – bacteria in their baby’s gut.
As historically significant as Apollo 11, Apollo 8 launched 50 years ago this week02:26
Watch stunning view of Earth from Virgin Galactic spaceplane01:00
Watch Virgin Galactic spaceplane make successful test flight02:56
How far into space is NASA's Voyager 2 right now? (Very, very, very far)01:18
This is what the wind sounds like on Mars01:21
Chinese spacecraft aims to explore far side of moon00:45