Watch as NASA astronauts Christina Koch and Jessica Meir prepare tools necessary for their spacewalk duties outside of the International Space Station on Friday, October 18, 2019.

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. Over 21 days, NASA's Spitzer Space Telescope measured the drop in light as each planet passed in fro

We don’t yet know what the James Webb Space Telescope will uncover. Will we get answers? Will we have more questions? One thing’s certain: The story of us is a never-ending quest for knowledge.

The goal of 3-D printing is to take this capability to microgravity for use on the International Space Station. In space, whatever astronauts have available on orbit is what they have to use -- but just like on Earth, parts break or get lost. When that happens, there's a wait for replacement parts, ...

Our SpaceX Crew-6 mission safely returns to Earth, the tech demo hitching a ride on our Psyche spacecraft, and studying ancient life on Earth to better understand Mars … a few of the stories to tell you about – This Week at NASA!

NASA already has a plan to house astronauts on Mars. NASA’s 3D-Printed Habitat Challenge asked engineers to design houses that could be built on Mars by robots using 3D printing technology. NASA recently announced winners of phase three of the competition and each house has a futuristic design. Each

Space shuttle Atlantis lands at Kennedy following the successful STS-132 mission to the International Space Station.

The first image from the James Webb Space Telescope was released at an event led by President Biden, Vice President Harris and NASA officials. Mr. Biden said the telescope, the most powerful ever built, "symbolizes the relentless spirit of American ingenuity." Watch the event here.

In the wake of a recent crash test, NASA has confirmed that there in fact lies a significant amount of water underneath the Moon's surface. Science and tech...

Flying from Orlando, FL the crew recorded on video rare footage of Discovery's final launch as it embarks on STS-133.