Axiom Mission 1 astronauts Michael Lopez Algeria, Larry Connor, Mark Pathy, and Eytan Stibbe docked to the zenith port of the Harmony module of the International Space Station April 9 following a launch April 8 on the SpaceX Crew Dragon...

Axiom Mission 1 astronauts Michael Lopez-Alegria, Larry Connor, Mark Pathy, and Eytan Stibbe opened the hatch of the SpaceX Crew Dragon spacecraft and floated aboard the International Space Station April 9 after docking to the complex...

NASA is measuring air pollution with a laser called CATS, the Cloud Aerosol Transport System. Mounted on the International Space Station about 249 miles above Earth, CATS makes observations about the transport of aerosols by...

The first commercial space mission has made a successful return to Earth, splashing down in the Pacific off the coast of California. SpaceX's dragon capsule lifted off from Earth on May 22 before docking with the International Space...

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...

Learn about the history of the International Space Station and what astronauts, cosmonauts, and others have accomplished there in this video with NASA scientist Michelle Thaller.

Fill'er up!



That's the promise of robotic refueling on orbit: aging satellites can get a new lease on life from a robotic machine making a service call. Or, at least, the dream of such a system got dramatically closer after...

In an important demonstration of new technical methodologies, from January 14-24, 2013, NASA engineers will try to simulate the transfer of fuel from one vehicle to another, in space, with nothing but robots doing the physical work....

In the early morning, while standing in the wet grass at NASA's Wallops Flight Facility in Virginia, NASA astronaut Kay Hire describes what it's like to attend a rocket launch.



This audio postcard was recorded in...

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...

For the first time, NASA’s Neutron star Interior Composition Explorer (NICER) has observed the merging of multimillion-degree X-ray spots on the surface of a magnetar, a supermagnetized stellar core no larger...

NASA astronaut Steve Swanson is scheduled to harvest red Romaine lettuce grown inside the International Space Station on June 10. The plants won't be eaten, but they will be sent back to Earth in September for testing. If the experiment...

This video provides a comprehensive description of the International Space Station (ISS). It highlights the collaborative efforts of governments, scientists, and engineers from around the world in creating this remarkable scientific marvel.

What does our planet look like from space? Most are familiar with the beloved images of the blue marble or pale blue dot -- Earth from 18,000 and 3.7 billion miles away, respectively. But closer to home, within the...

Retired NASA astronaut John Grunsfeld hosts this six-part mini-series about the tools used on the Hubble Space Telescope servicing missions. Hubble was uniquely designed to be serviced in space so that components could be...

China has launched the first module of its new Tiangong space station. <br/>

Atmosphere Set: 1. This clip examines the chemical composition and the layers of the atmosphere.

Did you know the word astronaut comes from Greek words meaning "star sailor"? Kids can learn all about space travelers in this video while watching real video of space shuttles, NASA, and real astronauts in space!