SciShow Quiz Show is back, with familiar faces Hank Green and Lindsey Doe matching wits about ancient science, puppies, and all kinds of words that have “sex” in them!

In the 1700s, sailors used sextants to navigate the seas. Centuries later, these old-timey tools saved the day on not one, but two of the Apollo missions!

SEXTANT: Navigating by Cosmic Beacon



Imagine a technology that would allow space travelers to transmit gigabytes of data per second over interplanetary distances or to navigate to Mars and beyond using powerful beams of...

The Neutron Star Interior Composition Explorer (NICER) payload, destined for the exterior of the space station, will study the physics of neutron stars, providing new insight into their nature and behavior. These stars are called...

This video introduces the Neutron star Interior Composition Explorer (NICER). NICER is an Astrophysics Mission of Opportunity within NASA’s Explorer program, which provides frequent flight opportunities for world-class...