Reading the Ogallala: Saving Ancient Water05:38
The Ogallala Aquifer crosses 8 state lines, but after years of irrigation, it’s been drained to record low levels. Now there are plans to begin restoring the aquifer.
Virgin Galactic rocket test flight marks major step toward space tourism01:01
For the first time, listen to the sound of wind on Mars01:19
Chinese spacecraft aims to explore far side of moon00:45
What a giant tortoise’s genome can teach us about longevity01:14
FDA approves breakthrough cancer drug that works on a genetic level01:26
An astronomer explains what’s going on in space and why you should care07:38