Add Yahoo as a preferred source to see more of our stories on Google. During Apollo 13, a near-exact replica helped engineers solve a life-threatening issue. Today, NASA still uses spacecraft ...

During Apollo 13, a near-exact replica helped engineers solve a life-threatening issue. Today, NASA still uses spacecraft duplicates to troubleshoot problems. Iran responds to Trump's threat of ...

Gödel found a time-travel solution in General Relativity, revealing spacetime can loop on itself. Gödel discovered a solution to General Relativity that actually permits time travel — no exotic ...

NASA proposed a new International Space Station module to transition into commercial operations. Credit: NASA concept Aspiring commercial space station operators hoping for clarity on NASA’s plans to ...

SpaceX wants to put up to a million data centers in orbit. There are a few technological hurdles standing in the way. MIT Technology Review Explains: Let our writers untangle the complex, messy world ...

Add Yahoo as a preferred source to see more of our stories on Google. It’s not all moon observations and photos on the Artemis II mission. Personal AVATARs are flying alongside the Artemis II ...

"It's 13 minutes of things that have to go right," NASA said of the reentry and splashdown, the first with astronauts from the moon in over 50 years. When you purchase through links on our site, we ...

NASA's AVATAR experiment is flying with the Artemis II crew to study the effects of deep space on the human body. The experiment uses small chips containing blood cells from the astronauts to create ...