SciShow
The Rock That's Helping Us Find the Origin of Life
Epidote might just look like a pretty little crystal, but it has a secret. thanks to the high-pressure circumstances where it forms, we can use it to help us uncover the origins of life on our planet, and maybe even find signs of life on...
NASA
Gravity Assist: Before You Launch: Practice, Practice, Practice
When future astronauts explore the surfaces of the Moon, Mars, or beyond, they’ll have big challenges communicating with Mission Control back on Earth.