NASA's Chandra X-ray Observatory has released four stunning images of cosmic wonders, depicted in red, white and blue for the America 250 anniversary on July 4.

A new NASA audit says the agency will need to purchase more astronaut flights to the ISS by 2030 and focuses on issues with Boeing's Starliner spacecraft.

NASA has detected raised sea levels in the central and eastern Pacific, a sign of warming waters linked to El Niño’s return.

NASA is testing the X-59, an experimental plane that was designed to exceed the speed of sound without a loud sonic boom. Credit: NASA / Carla Thomas NASA's X-59 jet has broken the sound barrier for the first time,

It’s sometimes easy to overlook the fact that the International Space Station (ISS) is a giant lab where scientists study everything from biology to physics—but in space. This extraordinary resource makes extraordinary research possible—like creating a fifth state of matter in space.

The "quiet supersonic aircraft's historic first flight is on the horizon, with final ground tests about to begin." That's how NASA decided to mark this year's National Aviation Day, getting us all worked up about the prospect of finally seeing, after years ...

NASA awarded $590.4 million in new Moon Base lander contracts Tuesday, but the agency has not disclosed what its broader Moon-to-Mars program will cost taxpayers.